Home / 7,515,544.70-11,273,185.11-5,207,909.78

Finding the Fourth Proportional to 7,515,544.70, 11,273,185.11 and 5,207,909.78

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Solution

The fourth proportional to 7,515,544.70, 11,273,185.11 and 5,207,909.78 is: 7,811,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515,544.70 : 11,273,185.11 = 5,207,909.78 : x
  2. Step 2: Convert to fraction form
    7,515,544.70/11,273,185.11 = 5,207,909.78/x
  3. Step 3: Cross multiply
    7,515,544.70x = 11,273,185.11 × 5,207,909.78
  4. Step 4: Simplify right side
    7,515,544.70x = 58,709,730,986,119.38
  5. Step 5: Solve for x
    x = 58,709,730,986,119.38/7,515,544.70
  6. Step 6: Final answer
    x = 7,811,773.24

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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.