Home / 8,170,778.20-12,254,855.10-2,489,681.20

Finding the Fourth Proportional to 8,170,778.20, 12,254,855.10 and 2,489,681.20

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Solution

The fourth proportional to 8,170,778.20, 12,254,855.10 and 2,489,681.20 is: 3,734,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170,778.20 : 12,254,855.10 = 2,489,681.20 : x
  2. Step 2: Convert to fraction form
    8,170,778.20/12,254,855.10 = 2,489,681.20/x
  3. Step 3: Cross multiply
    8,170,778.20x = 12,254,855.10 × 2,489,681.20
  4. Step 4: Simplify right side
    8,170,778.20x = 30,510,682,351,194.12
  5. Step 5: Solve for x
    x = 30,510,682,351,194.12/8,170,778.20
  6. Step 6: Final answer
    x = 3,734,121.97

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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.