Home / 42,542,214.29-63,815,584.25-13,398,332.39

Finding the Fourth Proportional to 42,542,214.29, 63,815,584.25 and 13,398,332.39

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Solution

The fourth proportional to 42,542,214.29, 63,815,584.25 and 13,398,332.39 is: 20,098,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542,214.29 : 63,815,584.25 = 13,398,332.39 : x
  2. Step 2: Convert to fraction form
    42,542,214.29/63,815,584.25 = 13,398,332.39/x
  3. Step 3: Cross multiply
    42,542,214.29x = 63,815,584.25 × 13,398,332.39
  4. Step 4: Simplify right side
    42,542,214.29x = 855,022,409,124,470.88
  5. Step 5: Solve for x
    x = 855,022,409,124,470.88/42,542,214.29
  6. Step 6: Final answer
    x = 20,098,211.24

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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.