Home / 15,246,691.56-21,037,951.80-8,719,270.92

Finding the Fourth Proportional to 15,246,691.56, 21,037,951.80 and 8,719,270.92

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Solution

The fourth proportional to 15,246,691.56, 21,037,951.80 and 8,719,270.92 is: 12,031,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246,691.56 : 21,037,951.80 = 8,719,270.92 : x
  2. Step 2: Convert to fraction form
    15,246,691.56/21,037,951.80 = 8,719,270.92/x
  3. Step 3: Cross multiply
    15,246,691.56x = 21,037,951.80 × 8,719,270.92
  4. Step 4: Simplify right side
    15,246,691.56x = 183,435,601,346,101.66
  5. Step 5: Solve for x
    x = 183,435,601,346,101.66/15,246,691.56
  6. Step 6: Final answer
    x = 12,031,174.15

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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.