Home / 8,815,787.47-12,165,377.20-4,895,792.47

Finding the Fourth Proportional to 8,815,787.47, 12,165,377.20 and 4,895,792.47

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Solution

The fourth proportional to 8,815,787.47, 12,165,377.20 and 4,895,792.47 is: 6,755,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,787.47 : 12,165,377.20 = 4,895,792.47 : x
  2. Step 2: Convert to fraction form
    8,815,787.47/12,165,377.20 = 4,895,792.47/x
  3. Step 3: Cross multiply
    8,815,787.47x = 12,165,377.20 × 4,895,792.47
  4. Step 4: Simplify right side
    8,815,787.47x = 59,559,162,090,469.68
  5. Step 5: Solve for x
    x = 59,559,162,090,469.68/8,815,787.47
  6. Step 6: Final answer
    x = 6,755,966.19

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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.