Home / 8,588,278.80-12,882,410.10-2,198,520.90

Finding the Fourth Proportional to 8,588,278.80, 12,882,410.10 and 2,198,520.90

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Solution

The fourth proportional to 8,588,278.80, 12,882,410.10 and 2,198,520.90 is: 3,297,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588,278.80 : 12,882,410.10 = 2,198,520.90 : x
  2. Step 2: Convert to fraction form
    8,588,278.80/12,882,410.10 = 2,198,520.90/x
  3. Step 3: Cross multiply
    8,588,278.80x = 12,882,410.10 × 2,198,520.90
  4. Step 4: Simplify right side
    8,588,278.80x = 28,322,247,847,221.09
  5. Step 5: Solve for x
    x = 28,322,247,847,221.09/8,588,278.80
  6. Step 6: Final answer
    x = 3,297,779.28

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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.