Home / 39,183,233.82-54,072,897.26-21,542,436.53

Finding the Fourth Proportional to 39,183,233.82, 54,072,897.26 and 21,542,436.53

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Solution

The fourth proportional to 39,183,233.82, 54,072,897.26 and 21,542,436.53 is: 29,728,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,183,233.82 : 54,072,897.26 = 21,542,436.53 : x
  2. Step 2: Convert to fraction form
    39,183,233.82/54,072,897.26 = 21,542,436.53/x
  3. Step 3: Cross multiply
    39,183,233.82x = 54,072,897.26 × 21,542,436.53
  4. Step 4: Simplify right side
    39,183,233.82x = 1,164,861,957,216,761
  5. Step 5: Solve for x
    x = 1,164,861,957,216,761/39,183,233.82
  6. Step 6: Final answer
    x = 29,728,581.43

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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.