Home / 18,010,811.14-27,016,964.32-5,231,315.85

Finding the Fourth Proportional to 18,010,811.14, 27,016,964.32 and 5,231,315.85

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Solution

The fourth proportional to 18,010,811.14, 27,016,964.32 and 5,231,315.85 is: 7,847,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010,811.14 : 27,016,964.32 = 5,231,315.85 : x
  2. Step 2: Convert to fraction form
    18,010,811.14/27,016,964.32 = 5,231,315.85/x
  3. Step 3: Cross multiply
    18,010,811.14x = 27,016,964.32 × 5,231,315.85
  4. Step 4: Simplify right side
    18,010,811.14x = 141,334,273,561,517.31
  5. Step 5: Solve for x
    x = 141,334,273,561,517.31/18,010,811.14
  6. Step 6: Final answer
    x = 7,847,190.91

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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.