Home / 39,517,022.39-54,534,136.61-21,634,944.48

Finding the Fourth Proportional to 39,517,022.39, 54,534,136.61 and 21,634,944.48

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Solution

The fourth proportional to 39,517,022.39, 54,534,136.61 and 21,634,944.48 is: 29,856,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517,022.39 : 54,534,136.61 = 21,634,944.48 : x
  2. Step 2: Convert to fraction form
    39,517,022.39/54,534,136.61 = 21,634,944.48/x
  3. Step 3: Cross multiply
    39,517,022.39x = 54,534,136.61 × 21,634,944.48
  4. Step 4: Simplify right side
    39,517,022.39x = 1,179,843,017,713,910.75
  5. Step 5: Solve for x
    x = 1,179,843,017,713,910.75/39,517,022.39
  6. Step 6: Final answer
    x = 29,856,576.90

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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.