Home / 20,711,423.68-28,581,954.24-11,419,327.24

Finding the Fourth Proportional to 20,711,423.68, 28,581,954.24 and 11,419,327.24

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Solution

The fourth proportional to 20,711,423.68, 28,581,954.24 and 11,419,327.24 is: 15,758,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711,423.68 : 28,581,954.24 = 11,419,327.24 : x
  2. Step 2: Convert to fraction form
    20,711,423.68/28,581,954.24 = 11,419,327.24/x
  3. Step 3: Cross multiply
    20,711,423.68x = 28,581,954.24 × 11,419,327.24
  4. Step 4: Simplify right side
    20,711,423.68x = 326,386,688,625,265.50
  5. Step 5: Solve for x
    x = 326,386,688,625,265.50/20,711,423.68
  6. Step 6: Final answer
    x = 15,758,776.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.