Home / 36,098,991.72-54,121,557.78-21,718,690.20

Finding the Fourth Proportional to 36,098,991.72, 54,121,557.78 and 21,718,690.20

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Solution

The fourth proportional to 36,098,991.72, 54,121,557.78 and 21,718,690.20 is: 32,561,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,098,991.72 : 54,121,557.78 = 21,718,690.20 : x
  2. Step 2: Convert to fraction form
    36,098,991.72/54,121,557.78 = 21,718,690.20/x
  3. Step 3: Cross multiply
    36,098,991.72x = 54,121,557.78 × 21,718,690.20
  4. Step 4: Simplify right side
    36,098,991.72x = 1,175,449,346,565,219.75
  5. Step 5: Solve for x
    x = 1,175,449,346,565,219.75/36,098,991.72
  6. Step 6: Final answer
    x = 32,561,833.19

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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.