Home / 31,618,275.12-43,631,193.24-17,680,778.64

Finding the Fourth Proportional to 31,618,275.12, 43,631,193.24 and 17,680,778.64

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Solution

The fourth proportional to 31,618,275.12, 43,631,193.24 and 17,680,778.64 is: 24,398,341.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618,275.12 : 43,631,193.24 = 17,680,778.64 : x
  2. Step 2: Convert to fraction form
    31,618,275.12/43,631,193.24 = 17,680,778.64/x
  3. Step 3: Cross multiply
    31,618,275.12x = 43,631,193.24 × 17,680,778.64
  4. Step 4: Simplify right side
    31,618,275.12x = 771,433,469,475,504.50
  5. Step 5: Solve for x
    x = 771,433,469,475,504.50/31,618,275.12
  6. Step 6: Final answer
    x = 24,398,341.36

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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.