Home / 15,517,440.92-21,414,732.88-8,641,923

Finding the Fourth Proportional to 15,517,440.92, 21,414,732.88 and 8,641,923

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Solution

The fourth proportional to 15,517,440.92, 21,414,732.88 and 8,641,923 is: 11,926,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,440.92 : 21,414,732.88 = 8,641,923 : x
  2. Step 2: Convert to fraction form
    15,517,440.92/21,414,732.88 = 8,641,923/x
  3. Step 3: Cross multiply
    15,517,440.92x = 21,414,732.88 × 8,641,923
  4. Step 4: Simplify right side
    15,517,440.92x = 185,064,472,614,528.22
  5. Step 5: Solve for x
    x = 185,064,472,614,528.22/15,517,440.92
  6. Step 6: Final answer
    x = 11,926,223.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.