Home / 28,636,129.25-39,517,864.85-15,759,073.25

Finding the Fourth Proportional to 28,636,129.25, 39,517,864.85 and 15,759,073.25

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Solution

The fourth proportional to 28,636,129.25, 39,517,864.85 and 15,759,073.25 is: 21,747,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636,129.25 : 39,517,864.85 = 15,759,073.25 : x
  2. Step 2: Convert to fraction form
    28,636,129.25/39,517,864.85 = 15,759,073.25/x
  3. Step 3: Cross multiply
    28,636,129.25x = 39,517,864.85 × 15,759,073.25
  4. Step 4: Simplify right side
    28,636,129.25x = 622,764,926,854,750.25
  5. Step 5: Solve for x
    x = 622,764,926,854,750.25/28,636,129.25
  6. Step 6: Final answer
    x = 21,747,524.65

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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.