Home / 29,022,156.54-40,049,375.20-15,791,387.88

Finding the Fourth Proportional to 29,022,156.54, 40,049,375.20 and 15,791,387.88

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Solution

The fourth proportional to 29,022,156.54, 40,049,375.20 and 15,791,387.88 is: 21,791,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,022,156.54 : 40,049,375.20 = 15,791,387.88 : x
  2. Step 2: Convert to fraction form
    29,022,156.54/40,049,375.20 = 15,791,387.88/x
  3. Step 3: Cross multiply
    29,022,156.54x = 40,049,375.20 × 15,791,387.88
  4. Step 4: Simplify right side
    29,022,156.54x = 632,435,217,995,250.62
  5. Step 5: Solve for x
    x = 632,435,217,995,250.62/29,022,156.54
  6. Step 6: Final answer
    x = 21,791,461.89

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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.