Home / 31,675,478.70-43,712,160.61-17,188,790.70

Finding the Fourth Proportional to 31,675,478.70, 43,712,160.61 and 17,188,790.70

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Solution

The fourth proportional to 31,675,478.70, 43,712,160.61 and 17,188,790.70 is: 23,720,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675,478.70 : 43,712,160.61 = 17,188,790.70 : x
  2. Step 2: Convert to fraction form
    31,675,478.70/43,712,160.61 = 17,188,790.70/x
  3. Step 3: Cross multiply
    31,675,478.70x = 43,712,160.61 × 17,188,790.70
  4. Step 4: Simplify right side
    31,675,478.70x = 751,359,179,770,074.25
  5. Step 5: Solve for x
    x = 751,359,179,770,074.25/31,675,478.70
  6. Step 6: Final answer
    x = 23,720,531.17

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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.