Home / 12,396,738.15-18,540,717.48-11,040,079.14

Finding the Fourth Proportional to 12,396,738.15, 18,540,717.48 and 11,040,079.14

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Solution

The fourth proportional to 12,396,738.15, 18,540,717.48 and 11,040,079.14 is: 16,511,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396,738.15 : 18,540,717.48 = 11,040,079.14 : x
  2. Step 2: Convert to fraction form
    12,396,738.15/18,540,717.48 = 11,040,079.14/x
  3. Step 3: Cross multiply
    12,396,738.15x = 18,540,717.48 × 11,040,079.14
  4. Step 4: Simplify right side
    12,396,738.15x = 204,690,988,291,581.38
  5. Step 5: Solve for x
    x = 204,690,988,291,581.38/12,396,738.15
  6. Step 6: Final answer
    x = 16,511,681.20

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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.