Home / 40,420,606.20-60,639,766.65-19,960,127.70

Finding the Fourth Proportional to 40,420,606.20, 60,639,766.65 and 19,960,127.70

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Solution

The fourth proportional to 40,420,606.20, 60,639,766.65 and 19,960,127.70 is: 29,944,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420,606.20 : 60,639,766.65 = 19,960,127.70 : x
  2. Step 2: Convert to fraction form
    40,420,606.20/60,639,766.65 = 19,960,127.70/x
  3. Step 3: Cross multiply
    40,420,606.20x = 60,639,766.65 × 19,960,127.70
  4. Step 4: Simplify right side
    40,420,606.20x = 1,210,377,486,032,201.25
  5. Step 5: Solve for x
    x = 1,210,377,486,032,201.25/40,420,606.20
  6. Step 6: Final answer
    x = 29,944,565.40

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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.