Home / 27,431,939.40-41,067,189.66-18,311,414.76

Finding the Fourth Proportional to 27,431,939.40, 41,067,189.66 and 18,311,414.76

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Solution

The fourth proportional to 27,431,939.40, 41,067,189.66 and 18,311,414.76 is: 27,413,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431,939.40 : 41,067,189.66 = 18,311,414.76 : x
  2. Step 2: Convert to fraction form
    27,431,939.40/41,067,189.66 = 18,311,414.76/x
  3. Step 3: Cross multiply
    27,431,939.40x = 41,067,189.66 × 18,311,414.76
  4. Step 4: Simplify right side
    27,431,939.40x = 751,998,342,891,843.38
  5. Step 5: Solve for x
    x = 751,998,342,891,843.38/27,431,939.40
  6. Step 6: Final answer
    x = 27,413,240.16

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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.