Home / 12,272,843.52-16,932,770.82-7,115,175.92

Finding the Fourth Proportional to 12,272,843.52, 16,932,770.82 and 7,115,175.92

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Solution

The fourth proportional to 12,272,843.52, 16,932,770.82 and 7,115,175.92 is: 9,816,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272,843.52 : 16,932,770.82 = 7,115,175.92 : x
  2. Step 2: Convert to fraction form
    12,272,843.52/16,932,770.82 = 7,115,175.92/x
  3. Step 3: Cross multiply
    12,272,843.52x = 16,932,770.82 × 7,115,175.92
  4. Step 4: Simplify right side
    12,272,843.52x = 120,479,643,197,342.66
  5. Step 5: Solve for x
    x = 120,479,643,197,342.66/12,272,843.52
  6. Step 6: Final answer
    x = 9,816,766.83

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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.