Home / 9,239,129.97-12,750,787.85-5,371,405.89

Finding the Fourth Proportional to 9,239,129.97, 12,750,787.85 and 5,371,405.89

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Solution

The fourth proportional to 9,239,129.97, 12,750,787.85 and 5,371,405.89 is: 7,412,998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239,129.97 : 12,750,787.85 = 5,371,405.89 : x
  2. Step 2: Convert to fraction form
    9,239,129.97/12,750,787.85 = 5,371,405.89/x
  3. Step 3: Cross multiply
    9,239,129.97x = 12,750,787.85 × 5,371,405.89
  4. Step 4: Simplify right side
    9,239,129.97x = 68,489,656,932,773.41
  5. Step 5: Solve for x
    x = 68,489,656,932,773.41/9,239,129.97
  6. Step 6: Final answer
    x = 7,412,998.54

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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.