Home / 31,267,516.75-43,149,177.22-17,329,771.69

Finding the Fourth Proportional to 31,267,516.75, 43,149,177.22 and 17,329,771.69

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Solution

The fourth proportional to 31,267,516.75, 43,149,177.22 and 17,329,771.69 is: 23,915,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267,516.75 : 43,149,177.22 = 17,329,771.69 : x
  2. Step 2: Convert to fraction form
    31,267,516.75/43,149,177.22 = 17,329,771.69/x
  3. Step 3: Cross multiply
    31,267,516.75x = 43,149,177.22 × 17,329,771.69
  4. Step 4: Simplify right side
    31,267,516.75x = 747,765,389,833,949
  5. Step 5: Solve for x
    x = 747,765,389,833,949/31,267,516.75
  6. Step 6: Final answer
    x = 23,915,087.21

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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.