Home / 21,022,113.45-31,533,170.18-16,770,585.45

Finding the Fourth Proportional to 21,022,113.45, 31,533,170.18 and 16,770,585.45

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Solution

The fourth proportional to 21,022,113.45, 31,533,170.18 and 16,770,585.45 is: 25,155,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022,113.45 : 31,533,170.18 = 16,770,585.45 : x
  2. Step 2: Convert to fraction form
    21,022,113.45/31,533,170.18 = 16,770,585.45/x
  3. Step 3: Cross multiply
    21,022,113.45x = 31,533,170.18 × 16,770,585.45
  4. Step 4: Simplify right side
    21,022,113.45x = 528,829,724,929,228.94
  5. Step 5: Solve for x
    x = 528,829,724,929,228.94/21,022,113.45
  6. Step 6: Final answer
    x = 25,155,878.18

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Half scale
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Double scale
Find fourth proportional to 21,022,114.45, 31,533,171.68 and 16,770,586.45
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.