Home / 39,327,039.46-54,274,545.68-21,689,391.93

Finding the Fourth Proportional to 39,327,039.46, 54,274,545.68 and 21,689,391.93

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Solution

The fourth proportional to 39,327,039.46, 54,274,545.68 and 21,689,391.93 is: 29,933,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,327,039.46 : 54,274,545.68 = 21,689,391.93 : x
  2. Step 2: Convert to fraction form
    39,327,039.46/54,274,545.68 = 21,689,391.93/x
  3. Step 3: Cross multiply
    39,327,039.46x = 54,274,545.68 × 21,689,391.93
  4. Step 4: Simplify right side
    39,327,039.46x = 1,177,181,893,076,208.25
  5. Step 5: Solve for x
    x = 1,177,181,893,076,208.25/39,327,039.46
  6. Step 6: Final answer
    x = 29,933,142.93

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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.