Home / 8,228,064.72-12,350,057.76-3,971,229.60

Finding the Fourth Proportional to 8,228,064.72, 12,350,057.76 and 3,971,229.60

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Solution

The fourth proportional to 8,228,064.72, 12,350,057.76 and 3,971,229.60 is: 5,960,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228,064.72 : 12,350,057.76 = 3,971,229.60 : x
  2. Step 2: Convert to fraction form
    8,228,064.72/12,350,057.76 = 3,971,229.60/x
  3. Step 3: Cross multiply
    8,228,064.72x = 12,350,057.76 × 3,971,229.60
  4. Step 4: Simplify right side
    8,228,064.72x = 49,044,914,938,221.70
  5. Step 5: Solve for x
    x = 49,044,914,938,221.70/8,228,064.72
  6. Step 6: Final answer
    x = 5,960,686.58

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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.