Home / 27,131,099.30-40,696,648.96-18,521,755.10

Finding the Fourth Proportional to 27,131,099.30, 40,696,648.96 and 18,521,755.10

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Solution

The fourth proportional to 27,131,099.30, 40,696,648.96 and 18,521,755.10 is: 27,782,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131,099.30 : 40,696,648.96 = 18,521,755.10 : x
  2. Step 2: Convert to fraction form
    27,131,099.30/40,696,648.96 = 18,521,755.10/x
  3. Step 3: Cross multiply
    27,131,099.30x = 40,696,648.96 × 18,521,755.10
  4. Step 4: Simplify right side
    27,131,099.30x = 753,773,365,427,789.75
  5. Step 5: Solve for x
    x = 753,773,365,427,789.75/27,131,099.30
  6. Step 6: Final answer
    x = 27,782,632.66

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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.