Home / 11,391,998.30-15,723,198.59-8,633,874.89

Finding the Fourth Proportional to 11,391,998.30, 15,723,198.59 and 8,633,874.89

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Solution

The fourth proportional to 11,391,998.30, 15,723,198.59 and 8,633,874.89 is: 11,916,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391,998.30 : 15,723,198.59 = 8,633,874.89 : x
  2. Step 2: Convert to fraction form
    11,391,998.30/15,723,198.59 = 8,633,874.89/x
  3. Step 3: Cross multiply
    11,391,998.30x = 15,723,198.59 × 8,633,874.89
  4. Step 4: Simplify right side
    11,391,998.30x = 135,752,129,433,861.03
  5. Step 5: Solve for x
    x = 135,752,129,433,861.03/11,391,998.30
  6. Step 6: Final answer
    x = 11,916,445.73

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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.