Home / 15,179,893.92-20,948,178.96-8,304,251.04

Finding the Fourth Proportional to 15,179,893.92, 20,948,178.96 and 8,304,251.04

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Solution

The fourth proportional to 15,179,893.92, 20,948,178.96 and 8,304,251.04 is: 11,459,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179,893.92 : 20,948,178.96 = 8,304,251.04 : x
  2. Step 2: Convert to fraction form
    15,179,893.92/20,948,178.96 = 8,304,251.04/x
  3. Step 3: Cross multiply
    15,179,893.92x = 20,948,178.96 × 8,304,251.04
  4. Step 4: Simplify right side
    15,179,893.92x = 173,958,936,914,686.12
  5. Step 5: Solve for x
    x = 173,958,936,914,686.12/15,179,893.92
  6. Step 6: Final answer
    x = 11,459,825.60

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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.