Home / 8,200,425.70-12,300,638.55-2,216,793.70

Finding the Fourth Proportional to 8,200,425.70, 12,300,638.55 and 2,216,793.70

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Solution

The fourth proportional to 8,200,425.70, 12,300,638.55 and 2,216,793.70 is: 3,325,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200,425.70 : 12,300,638.55 = 2,216,793.70 : x
  2. Step 2: Convert to fraction form
    8,200,425.70/12,300,638.55 = 2,216,793.70/x
  3. Step 3: Cross multiply
    8,200,425.70x = 12,300,638.55 × 2,216,793.70
  4. Step 4: Simplify right side
    8,200,425.70x = 27,267,978,043,617.14
  5. Step 5: Solve for x
    x = 27,267,978,043,617.14/8,200,425.70
  6. Step 6: Final answer
    x = 3,325,190.55

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Similar ratio
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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.