Home / 39,327,039.96-54,274,546.38-21,689,392.43

Finding the Fourth Proportional to 39,327,039.96, 54,274,546.38 and 21,689,392.43

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Solution

The fourth proportional to 39,327,039.96, 54,274,546.38 and 21,689,392.43 is: 29,933,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,327,039.96 : 54,274,546.38 = 21,689,392.43 : x
  2. Step 2: Convert to fraction form
    39,327,039.96/54,274,546.38 = 21,689,392.43/x
  3. Step 3: Cross multiply
    39,327,039.96x = 54,274,546.38 × 21,689,392.43
  4. Step 4: Simplify right side
    39,327,039.96x = 1,177,181,935,124,683.25
  5. Step 5: Solve for x
    x = 1,177,181,935,124,683.25/39,327,039.96
  6. Step 6: Final answer
    x = 29,933,143.62

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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.