Home / 8,220,884.70-12,331,327.05-2,541,683.10

Finding the Fourth Proportional to 8,220,884.70, 12,331,327.05 and 2,541,683.10

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Solution

The fourth proportional to 8,220,884.70, 12,331,327.05 and 2,541,683.10 is: 3,812,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,884.70 : 12,331,327.05 = 2,541,683.10 : x
  2. Step 2: Convert to fraction form
    8,220,884.70/12,331,327.05 = 2,541,683.10/x
  3. Step 3: Cross multiply
    8,220,884.70x = 12,331,327.05 × 2,541,683.10
  4. Step 4: Simplify right side
    8,220,884.70x = 31,342,325,563,557.86
  5. Step 5: Solve for x
    x = 31,342,325,563,557.86/8,220,884.70
  6. Step 6: Final answer
    x = 3,812,524.65

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Double scale
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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.