Home / 8,420,993.76-12,626,655.42-3,297,424.80

Finding the Fourth Proportional to 8,420,993.76, 12,626,655.42 and 3,297,424.80

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Solution

The fourth proportional to 8,420,993.76, 12,626,655.42 and 3,297,424.80 is: 4,944,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,993.76 : 12,626,655.42 = 3,297,424.80 : x
  2. Step 2: Convert to fraction form
    8,420,993.76/12,626,655.42 = 3,297,424.80/x
  3. Step 3: Cross multiply
    8,420,993.76x = 12,626,655.42 × 3,297,424.80
  4. Step 4: Simplify right side
    8,420,993.76x = 41,635,446,722,962.41
  5. Step 5: Solve for x
    x = 41,635,446,722,962.41/8,420,993.76
  6. Step 6: Final answer
    x = 4,944,243.86

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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.