Home / 7,715,098.67-11,575,220.57-5,131,588.48

Finding the Fourth Proportional to 7,715,098.67, 11,575,220.57 and 5,131,588.48

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Solution

The fourth proportional to 7,715,098.67, 11,575,220.57 and 5,131,588.48 is: 7,699,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,098.67 : 11,575,220.57 = 5,131,588.48 : x
  2. Step 2: Convert to fraction form
    7,715,098.67/11,575,220.57 = 5,131,588.48/x
  3. Step 3: Cross multiply
    7,715,098.67x = 11,575,220.57 × 5,131,588.48
  4. Step 4: Simplify right side
    7,715,098.67x = 59,399,268,530,471.04
  5. Step 5: Solve for x
    x = 59,399,268,530,471.04/7,715,098.67
  6. Step 6: Final answer
    x = 7,699,093.83

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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.