Home / 18,116,781.98-27,192,198.92-9,487,076.52

Finding the Fourth Proportional to 18,116,781.98, 27,192,198.92 and 9,487,076.52

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Solution

The fourth proportional to 18,116,781.98, 27,192,198.92 and 9,487,076.52 is: 14,239,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116,781.98 : 27,192,198.92 = 9,487,076.52 : x
  2. Step 2: Convert to fraction form
    18,116,781.98/27,192,198.92 = 9,487,076.52/x
  3. Step 3: Cross multiply
    18,116,781.98x = 27,192,198.92 × 9,487,076.52
  4. Step 4: Simplify right side
    18,116,781.98x = 257,974,471,901,101.38
  5. Step 5: Solve for x
    x = 257,974,471,901,101.38/18,116,781.98
  6. Step 6: Final answer
    x = 14,239,530.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.