Home / 31,281,120-43,169,310.18-17,341,587.90

Finding the Fourth Proportional to 31,281,120, 43,169,310.18 and 17,341,587.90

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Solution

The fourth proportional to 31,281,120, 43,169,310.18 and 17,341,587.90 is: 23,932,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281,120 : 43,169,310.18 = 17,341,587.90 : x
  2. Step 2: Convert to fraction form
    31,281,120/43,169,310.18 = 17,341,587.90/x
  3. Step 3: Cross multiply
    31,281,120x = 43,169,310.18 × 17,341,587.90
  4. Step 4: Simplify right side
    31,281,120x = 748,624,387,068,834.75
  5. Step 5: Solve for x
    x = 748,624,387,068,834.75/31,281,120
  6. Step 6: Final answer
    x = 23,932,147.80

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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.