Home / 31,675,726.85-43,712,503.05-17,189,038.85

Finding the Fourth Proportional to 31,675,726.85, 43,712,503.05 and 17,189,038.85

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Solution

The fourth proportional to 31,675,726.85, 43,712,503.05 and 17,189,038.85 is: 23,720,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675,726.85 : 43,712,503.05 = 17,189,038.85 : x
  2. Step 2: Convert to fraction form
    31,675,726.85/43,712,503.05 = 17,189,038.85/x
  3. Step 3: Cross multiply
    31,675,726.85x = 43,712,503.05 × 17,189,038.85
  4. Step 4: Simplify right side
    31,675,726.85x = 751,375,912,852,685.75
  5. Step 5: Solve for x
    x = 751,375,912,852,685.75/31,675,726.85
  6. Step 6: Final answer
    x = 23,720,873.61

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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.