Home / 8,082,979.40-12,124,469.10-3,288,200.60

Finding the Fourth Proportional to 8,082,979.40, 12,124,469.10 and 3,288,200.60

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Solution

The fourth proportional to 8,082,979.40, 12,124,469.10 and 3,288,200.60 is: 4,932,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082,979.40 : 12,124,469.10 = 3,288,200.60 : x
  2. Step 2: Convert to fraction form
    8,082,979.40/12,124,469.10 = 3,288,200.60/x
  3. Step 3: Cross multiply
    8,082,979.40x = 12,124,469.10 × 3,288,200.60
  4. Step 4: Simplify right side
    8,082,979.40x = 39,867,686,569,301.46
  5. Step 5: Solve for x
    x = 39,867,686,569,301.46/8,082,979.40
  6. Step 6: Final answer
    x = 4,932,300.90

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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.