Home / 31,516,512.64-43,493,452.94-17,765,473.12

Finding the Fourth Proportional to 31,516,512.64, 43,493,452.94 and 17,765,473.12

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Solution

The fourth proportional to 31,516,512.64, 43,493,452.94 and 17,765,473.12 is: 24,516,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516,512.64 : 43,493,452.94 = 17,765,473.12 : x
  2. Step 2: Convert to fraction form
    31,516,512.64/43,493,452.94 = 17,765,473.12/x
  3. Step 3: Cross multiply
    31,516,512.64x = 43,493,452.94 × 17,765,473.12
  4. Step 4: Simplify right side
    31,516,512.64x = 772,681,769,101,555
  5. Step 5: Solve for x
    x = 772,681,769,101,555/31,516,512.64
  6. Step 6: Final answer
    x = 24,516,728.04

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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.