Home / 20,732,132.75-31,073,991.75-15,598,073.70

Finding the Fourth Proportional to 20,732,132.75, 31,073,991.75 and 15,598,073.70

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Solution

The fourth proportional to 20,732,132.75, 31,073,991.75 and 15,598,073.70 is: 23,378,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,132.75 : 31,073,991.75 = 15,598,073.70 : x
  2. Step 2: Convert to fraction form
    20,732,132.75/31,073,991.75 = 15,598,073.70/x
  3. Step 3: Cross multiply
    20,732,132.75x = 31,073,991.75 × 15,598,073.70
  4. Step 4: Simplify right side
    20,732,132.75x = 484,694,413,469,691.94
  5. Step 5: Solve for x
    x = 484,694,413,469,691.94/20,732,132.75
  6. Step 6: Final answer
    x = 23,378,897.84

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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.