Home / 8,189,170.80-12,283,756.20-8,082,882.60

Finding the Fourth Proportional to 8,189,170.80, 12,283,756.20 and 8,082,882.60

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Solution

The fourth proportional to 8,189,170.80, 12,283,756.20 and 8,082,882.60 is: 12,124,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,170.80 : 12,283,756.20 = 8,082,882.60 : x
  2. Step 2: Convert to fraction form
    8,189,170.80/12,283,756.20 = 8,082,882.60/x
  3. Step 3: Cross multiply
    8,189,170.80x = 12,283,756.20 × 8,082,882.60
  4. Step 4: Simplify right side
    8,189,170.80x = 99,288,159,251,622.11
  5. Step 5: Solve for x
    x = 99,288,159,251,622.11/8,189,170.80
  6. Step 6: Final answer
    x = 12,124,323.90

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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.