Home / 15,488,961.62-21,375,170.18-8,519,818.73

Finding the Fourth Proportional to 15,488,961.62, 21,375,170.18 and 8,519,818.73

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Solution

The fourth proportional to 15,488,961.62, 21,375,170.18 and 8,519,818.73 is: 11,757,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488,961.62 : 21,375,170.18 = 8,519,818.73 : x
  2. Step 2: Convert to fraction form
    15,488,961.62/21,375,170.18 = 8,519,818.73/x
  3. Step 3: Cross multiply
    15,488,961.62x = 21,375,170.18 × 8,519,818.73
  4. Step 4: Simplify right side
    15,488,961.62x = 182,112,575,202,160.56
  5. Step 5: Solve for x
    x = 182,112,575,202,160.56/15,488,961.62
  6. Step 6: Final answer
    x = 11,757,571.59

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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.