Home / 15,488,992.53-21,375,212.94-8,519,849.73

Finding the Fourth Proportional to 15,488,992.53, 21,375,212.94 and 8,519,849.73

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Solution

The fourth proportional to 15,488,992.53, 21,375,212.94 and 8,519,849.73 is: 11,757,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488,992.53 : 21,375,212.94 = 8,519,849.73 : x
  2. Step 2: Convert to fraction form
    15,488,992.53/21,375,212.94 = 8,519,849.73/x
  3. Step 3: Cross multiply
    15,488,992.53x = 21,375,212.94 × 8,519,849.73
  4. Step 4: Simplify right side
    15,488,992.53x = 182,113,602,195,551.53
  5. Step 5: Solve for x
    x = 182,113,602,195,551.53/15,488,992.53
  6. Step 6: Final answer
    x = 11,757,614.44

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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.