Home / 8,263,147.80-12,394,721.70-8,086,000.80

Finding the Fourth Proportional to 8,263,147.80, 12,394,721.70 and 8,086,000.80

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Solution

The fourth proportional to 8,263,147.80, 12,394,721.70 and 8,086,000.80 is: 12,129,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,147.80 : 12,394,721.70 = 8,086,000.80 : x
  2. Step 2: Convert to fraction form
    8,263,147.80/12,394,721.70 = 8,086,000.80/x
  3. Step 3: Cross multiply
    8,263,147.80x = 12,394,721.70 × 8,086,000.80
  4. Step 4: Simplify right side
    8,263,147.80x = 100,223,729,581,977.36
  5. Step 5: Solve for x
    x = 100,223,729,581,977.36/8,263,147.80
  6. Step 6: Final answer
    x = 12,129,001.20

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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.