Home / 20,224,092.70-30,336,139.05-7,453,762.30

Finding the Fourth Proportional to 20,224,092.70, 30,336,139.05 and 7,453,762.30

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Solution

The fourth proportional to 20,224,092.70, 30,336,139.05 and 7,453,762.30 is: 11,180,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224,092.70 : 30,336,139.05 = 7,453,762.30 : x
  2. Step 2: Convert to fraction form
    20,224,092.70/30,336,139.05 = 7,453,762.30/x
  3. Step 3: Cross multiply
    20,224,092.70x = 30,336,139.05 × 7,453,762.30
  4. Step 4: Simplify right side
    20,224,092.70x = 226,118,369,578,447.81
  5. Step 5: Solve for x
    x = 226,118,369,578,447.81/20,224,092.70
  6. Step 6: Final answer
    x = 11,180,643.45

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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.