Home / 7,715,107.82-11,575,234.30-5,131,597.62

Finding the Fourth Proportional to 7,715,107.82, 11,575,234.30 and 5,131,597.62

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Solution

The fourth proportional to 7,715,107.82, 11,575,234.30 and 5,131,597.62 is: 7,699,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,107.82 : 11,575,234.30 = 5,131,597.62 : x
  2. Step 2: Convert to fraction form
    7,715,107.82/11,575,234.30 = 5,131,597.62/x
  3. Step 3: Cross multiply
    7,715,107.82x = 11,575,234.30 × 5,131,597.62
  4. Step 4: Simplify right side
    7,715,107.82x = 59,399,444,784,822.38
  5. Step 5: Solve for x
    x = 59,399,444,784,822.38/7,715,107.82
  6. Step 6: Final answer
    x = 7,699,107.54

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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.