Home / 15,471,637.20-23,160,216.60-12,070,414.80

Finding the Fourth Proportional to 15,471,637.20, 23,160,216.60 and 12,070,414.80

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Solution

The fourth proportional to 15,471,637.20, 23,160,216.60 and 12,070,414.80 is: 18,068,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471,637.20 : 23,160,216.60 = 12,070,414.80 : x
  2. Step 2: Convert to fraction form
    15,471,637.20/23,160,216.60 = 12,070,414.80/x
  3. Step 3: Cross multiply
    15,471,637.20x = 23,160,216.60 × 12,070,414.80
  4. Step 4: Simplify right side
    15,471,637.20x = 279,553,421,219,845.72
  5. Step 5: Solve for x
    x = 279,553,421,219,845.72/15,471,637.20
  6. Step 6: Final answer
    x = 18,068,767.88

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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.