Home / 8,189,198.80-12,283,798.20-8,082,910.60

Finding the Fourth Proportional to 8,189,198.80, 12,283,798.20 and 8,082,910.60

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Solution

The fourth proportional to 8,189,198.80, 12,283,798.20 and 8,082,910.60 is: 12,124,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,198.80 : 12,283,798.20 = 8,082,910.60 : x
  2. Step 2: Convert to fraction form
    8,189,198.80/12,283,798.20 = 8,082,910.60/x
  3. Step 3: Cross multiply
    8,189,198.80x = 12,283,798.20 × 8,082,910.60
  4. Step 4: Simplify right side
    8,189,198.80x = 99,288,842,679,040.91
  5. Step 5: Solve for x
    x = 99,288,842,679,040.91/8,189,198.80
  6. Step 6: Final answer
    x = 12,124,365.90

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1.5x scale

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.