Home / 39,231,331.11-54,141,824.25-21,827,712.42

Finding the Fourth Proportional to 39,231,331.11, 54,141,824.25 and 21,827,712.42

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Solution

The fourth proportional to 39,231,331.11, 54,141,824.25 and 21,827,712.42 is: 30,123,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231,331.11 : 54,141,824.25 = 21,827,712.42 : x
  2. Step 2: Convert to fraction form
    39,231,331.11/54,141,824.25 = 21,827,712.42/x
  3. Step 3: Cross multiply
    39,231,331.11x = 54,141,824.25 × 21,827,712.42
  4. Step 4: Simplify right side
    39,231,331.11x = 1,181,792,169,623,182.25
  5. Step 5: Solve for x
    x = 1,181,792,169,623,182.25/39,231,331.11
  6. Step 6: Final answer
    x = 30,123,682.68

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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.