Home / 12,251,301.30-18,376,951.95-9,381,519.90

Finding the Fourth Proportional to 12,251,301.30, 18,376,951.95 and 9,381,519.90

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Solution

The fourth proportional to 12,251,301.30, 18,376,951.95 and 9,381,519.90 is: 14,072,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,301.30 : 18,376,951.95 = 9,381,519.90 : x
  2. Step 2: Convert to fraction form
    12,251,301.30/18,376,951.95 = 9,381,519.90/x
  3. Step 3: Cross multiply
    12,251,301.30x = 18,376,951.95 × 9,381,519.90
  4. Step 4: Simplify right side
    12,251,301.30x = 172,403,740,420,268.81
  5. Step 5: Solve for x
    x = 172,403,740,420,268.81/12,251,301.30
  6. Step 6: Final answer
    x = 14,072,279.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.