Home / 39,198,658.61-58,805,836.49-21,951,386.80

Finding the Fourth Proportional to 39,198,658.61, 58,805,836.49 and 21,951,386.80

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Solution

The fourth proportional to 39,198,658.61, 58,805,836.49 and 21,951,386.80 is: 32,931,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198,658.61 : 58,805,836.49 = 21,951,386.80 : x
  2. Step 2: Convert to fraction form
    39,198,658.61/58,805,836.49 = 21,951,386.80/x
  3. Step 3: Cross multiply
    39,198,658.61x = 58,805,836.49 × 21,951,386.80
  4. Step 4: Simplify right side
    39,198,658.61x = 1,290,869,662,797,408.25
  5. Step 5: Solve for x
    x = 1,290,869,662,797,408.25/39,198,658.61
  6. Step 6: Final answer
    x = 32,931,475.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.