Home / 18,145,417.20-27,218,125.80-8,067,721.20

Finding the Fourth Proportional to 18,145,417.20, 27,218,125.80 and 8,067,721.20

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Solution

The fourth proportional to 18,145,417.20, 27,218,125.80 and 8,067,721.20 is: 12,101,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,417.20 : 27,218,125.80 = 8,067,721.20 : x
  2. Step 2: Convert to fraction form
    18,145,417.20/27,218,125.80 = 8,067,721.20/x
  3. Step 3: Cross multiply
    18,145,417.20x = 27,218,125.80 × 8,067,721.20
  4. Step 4: Simplify right side
    18,145,417.20x = 219,588,250,540,926.97
  5. Step 5: Solve for x
    x = 219,588,250,540,926.97/18,145,417.20
  6. Step 6: Final answer
    x = 12,101,581.80

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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.