Home / 42,374,832.75-63,565,331.92-17,758,049.68

Finding the Fourth Proportional to 42,374,832.75, 63,565,331.92 and 17,758,049.68

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Solution

The fourth proportional to 42,374,832.75, 63,565,331.92 and 17,758,049.68 is: 26,638,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,374,832.75 : 63,565,331.92 = 17,758,049.68 : x
  2. Step 2: Convert to fraction form
    42,374,832.75/63,565,331.92 = 17,758,049.68/x
  3. Step 3: Cross multiply
    42,374,832.75x = 63,565,331.92 × 17,758,049.68
  4. Step 4: Simplify right side
    42,374,832.75x = 1,128,796,322,002,868
  5. Step 5: Solve for x
    x = 1,128,796,322,002,868/42,374,832.75
  6. Step 6: Final answer
    x = 26,638,366.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.