Home / 31,757,879.39-47,640,755.68-9,040,548.11

Finding the Fourth Proportional to 31,757,879.39, 47,640,755.68 and 9,040,548.11

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Solution

The fourth proportional to 31,757,879.39, 47,640,755.68 and 9,040,548.11 is: 13,561,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,757,879.39 : 47,640,755.68 = 9,040,548.11 : x
  2. Step 2: Convert to fraction form
    31,757,879.39/47,640,755.68 = 9,040,548.11/x
  3. Step 3: Cross multiply
    31,757,879.39x = 47,640,755.68 × 9,040,548.11
  4. Step 4: Simplify right side
    31,757,879.39x = 430,698,543,460,990.69
  5. Step 5: Solve for x
    x = 430,698,543,460,990.69/31,757,879.39
  6. Step 6: Final answer
    x = 13,561,942.79

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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.