Home / 15,471,625.20-23,160,198.60-12,070,402.80

Finding the Fourth Proportional to 15,471,625.20, 23,160,198.60 and 12,070,402.80

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Solution

The fourth proportional to 15,471,625.20, 23,160,198.60 and 12,070,402.80 is: 18,068,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471,625.20 : 23,160,198.60 = 12,070,402.80 : x
  2. Step 2: Convert to fraction form
    15,471,625.20/23,160,198.60 = 12,070,402.80/x
  3. Step 3: Cross multiply
    15,471,625.20x = 23,160,198.60 × 12,070,402.80
  4. Step 4: Simplify right side
    15,471,625.20x = 279,552,926,029,996.12
  5. Step 5: Solve for x
    x = 279,552,926,029,996.12/15,471,625.20
  6. Step 6: Final answer
    x = 18,068,749.88

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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.