Home / 31,005,250.92-42,786,936.90-17,253,979.56

Finding the Fourth Proportional to 31,005,250.92, 42,786,936.90 and 17,253,979.56

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Solution

The fourth proportional to 31,005,250.92, 42,786,936.90 and 17,253,979.56 is: 23,810,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005,250.92 : 42,786,936.90 = 17,253,979.56 : x
  2. Step 2: Convert to fraction form
    31,005,250.92/42,786,936.90 = 17,253,979.56/x
  3. Step 3: Cross multiply
    31,005,250.92x = 42,786,936.90 × 17,253,979.56
  4. Step 4: Simplify right side
    31,005,250.92x = 738,244,934,707,609.62
  5. Step 5: Solve for x
    x = 738,244,934,707,609.62/31,005,250.92
  6. Step 6: Final answer
    x = 23,810,319.63

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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.