Home / 11,618,278.15-17,393,348.62-8,147,990.29

Finding the Fourth Proportional to 11,618,278.15, 17,393,348.62 and 8,147,990.29

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Solution

The fourth proportional to 11,618,278.15, 17,393,348.62 and 8,147,990.29 is: 12,198,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618,278.15 : 17,393,348.62 = 8,147,990.29 : x
  2. Step 2: Convert to fraction form
    11,618,278.15/17,393,348.62 = 8,147,990.29/x
  3. Step 3: Cross multiply
    11,618,278.15x = 17,393,348.62 × 8,147,990.29
  4. Step 4: Simplify right side
    11,618,278.15x = 141,720,835,666,344.91
  5. Step 5: Solve for x
    x = 141,720,835,666,344.91/11,618,278.15
  6. Step 6: Final answer
    x = 12,198,092.85

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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.