Home / 20,676,459.24-28,542,345.20-14,719,711.40

Finding the Fourth Proportional to 20,676,459.24, 28,542,345.20 and 14,719,711.40

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Solution

The fourth proportional to 20,676,459.24, 28,542,345.20 and 14,719,711.40 is: 20,319,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676,459.24 : 28,542,345.20 = 14,719,711.40 : x
  2. Step 2: Convert to fraction form
    20,676,459.24/28,542,345.20 = 14,719,711.40/x
  3. Step 3: Cross multiply
    20,676,459.24x = 28,542,345.20 × 14,719,711.40
  4. Step 4: Simplify right side
    20,676,459.24x = 420,135,083,806,865
  5. Step 5: Solve for x
    x = 420,135,083,806,865/20,676,459.24
  6. Step 6: Final answer
    x = 20,319,488.89

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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.