Home / 15,374,046.15-21,215,522.25-8,404,591.08

Finding the Fourth Proportional to 15,374,046.15, 21,215,522.25 and 8,404,591.08

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Solution

The fourth proportional to 15,374,046.15, 21,215,522.25 and 8,404,591.08 is: 11,597,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374,046.15 : 21,215,522.25 = 8,404,591.08 : x
  2. Step 2: Convert to fraction form
    15,374,046.15/21,215,522.25 = 8,404,591.08/x
  3. Step 3: Cross multiply
    15,374,046.15x = 21,215,522.25 × 8,404,591.08
  4. Step 4: Simplify right side
    15,374,046.15x = 178,307,789,059,891.53
  5. Step 5: Solve for x
    x = 178,307,789,059,891.53/15,374,046.15
  6. Step 6: Final answer
    x = 11,597,974.10

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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.