Home / 15,187,807.24-20,959,229.53-8,218,484.85

Finding the Fourth Proportional to 15,187,807.24, 20,959,229.53 and 8,218,484.85

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Solution

The fourth proportional to 15,187,807.24, 20,959,229.53 and 8,218,484.85 is: 11,341,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187,807.24 : 20,959,229.53 = 8,218,484.85 : x
  2. Step 2: Convert to fraction form
    15,187,807.24/20,959,229.53 = 8,218,484.85/x
  3. Step 3: Cross multiply
    15,187,807.24x = 20,959,229.53 × 8,218,484.85
  4. Step 4: Simplify right side
    15,187,807.24x = 172,253,110,339,431.41
  5. Step 5: Solve for x
    x = 172,253,110,339,431.41/15,187,807.24
  6. Step 6: Final answer
    x = 11,341,539.15

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Why These Related Problems?

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