Home / 8,281,123.20-12,422,073.60-2,601,532.80

Finding the Fourth Proportional to 8,281,123.20, 12,422,073.60 and 2,601,532.80

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Solution

The fourth proportional to 8,281,123.20, 12,422,073.60 and 2,601,532.80 is: 3,902,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,123.20 : 12,422,073.60 = 2,601,532.80 : x
  2. Step 2: Convert to fraction form
    8,281,123.20/12,422,073.60 = 2,601,532.80/x
  3. Step 3: Cross multiply
    8,281,123.20x = 12,422,073.60 × 2,601,532.80
  4. Step 4: Simplify right side
    8,281,123.20x = 32,316,431,914,414.08
  5. Step 5: Solve for x
    x = 32,316,431,914,414.08/8,281,123.20
  6. Step 6: Final answer
    x = 3,902,421.34

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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.