Home / 15,955,965.72-22,167,885.15-15,764,646.96

Finding the Fourth Proportional to 15,955,965.72, 22,167,885.15 and 15,764,646.96

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Solution

The fourth proportional to 15,955,965.72, 22,167,885.15 and 15,764,646.96 is: 21,902,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955,965.72 : 22,167,885.15 = 15,764,646.96 : x
  2. Step 2: Convert to fraction form
    15,955,965.72/22,167,885.15 = 15,764,646.96/x
  3. Step 3: Cross multiply
    15,955,965.72x = 22,167,885.15 × 15,764,646.96
  4. Step 4: Simplify right side
    15,955,965.72x = 349,468,883,239,576.62
  5. Step 5: Solve for x
    x = 349,468,883,239,576.62/15,955,965.72
  6. Step 6: Final answer
    x = 21,902,082.86

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.