Home / 18,850,439.92-28,275,096.12-5,204,418

Finding the Fourth Proportional to 18,850,439.92, 28,275,096.12 and 5,204,418

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Solution

The fourth proportional to 18,850,439.92, 28,275,096.12 and 5,204,418 is: 7,806,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850,439.92 : 28,275,096.12 = 5,204,418 : x
  2. Step 2: Convert to fraction form
    18,850,439.92/28,275,096.12 = 5,204,418/x
  3. Step 3: Cross multiply
    18,850,439.92x = 28,275,096.12 × 5,204,418
  4. Step 4: Simplify right side
    18,850,439.92x = 147,155,419,198,658.16
  5. Step 5: Solve for x
    x = 147,155,419,198,658.16/18,850,439.92
  6. Step 6: Final answer
    x = 7,806,471.35

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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.