Home / 10,987,192.83-15,159,233.78-8,656,860.95

Finding the Fourth Proportional to 10,987,192.83, 15,159,233.78 and 8,656,860.95

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Solution

The fourth proportional to 10,987,192.83, 15,159,233.78 and 8,656,860.95 is: 11,944,031.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,192.83 : 15,159,233.78 = 8,656,860.95 : x
  2. Step 2: Convert to fraction form
    10,987,192.83/15,159,233.78 = 8,656,860.95/x
  3. Step 3: Cross multiply
    10,987,192.83x = 15,159,233.78 × 8,656,860.95
  4. Step 4: Simplify right side
    10,987,192.83x = 131,231,379,003,562.97
  5. Step 5: Solve for x
    x = 131,231,379,003,562.97/10,987,192.83
  6. Step 6: Final answer
    x = 11,944,031.66

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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.