Home / 26,571,219.80-39,856,829.70-20,146,688.60

Finding the Fourth Proportional to 26,571,219.80, 39,856,829.70 and 20,146,688.60

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Solution

The fourth proportional to 26,571,219.80, 39,856,829.70 and 20,146,688.60 is: 30,220,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,571,219.80 : 39,856,829.70 = 20,146,688.60 : x
  2. Step 2: Convert to fraction form
    26,571,219.80/39,856,829.70 = 20,146,688.60/x
  3. Step 3: Cross multiply
    26,571,219.80x = 39,856,829.70 × 20,146,688.60
  4. Step 4: Simplify right side
    26,571,219.80x = 802,983,136,549,131.50
  5. Step 5: Solve for x
    x = 802,983,136,549,131.50/26,571,219.80
  6. Step 6: Final answer
    x = 30,220,032.90

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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.