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Finding the Fourth Proportional to 39,873,265.82, 59,809,898.76 and 9,581,128.82

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Solution

The fourth proportional to 39,873,265.82, 59,809,898.76 and 9,581,128.82 is: 14,371,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,873,265.82 : 59,809,898.76 = 9,581,128.82 : x
  2. Step 2: Convert to fraction form
    39,873,265.82/59,809,898.76 = 9,581,128.82/x
  3. Step 3: Cross multiply
    39,873,265.82x = 59,809,898.76 × 9,581,128.82
  4. Step 4: Simplify right side
    39,873,265.82x = 573,046,344,884,176.25
  5. Step 5: Solve for x
    x = 573,046,344,884,176.25/39,873,265.82
  6. Step 6: Final answer
    x = 14,371,693.24

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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.