Home / 7,767,000.60-11,650,500.90-5,228,914.20

Finding the Fourth Proportional to 7,767,000.60, 11,650,500.90 and 5,228,914.20

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Solution

The fourth proportional to 7,767,000.60, 11,650,500.90 and 5,228,914.20 is: 7,843,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767,000.60 : 11,650,500.90 = 5,228,914.20 : x
  2. Step 2: Convert to fraction form
    7,767,000.60/11,650,500.90 = 5,228,914.20/x
  3. Step 3: Cross multiply
    7,767,000.60x = 11,650,500.90 × 5,228,914.20
  4. Step 4: Simplify right side
    7,767,000.60x = 60,919,469,593,122.78
  5. Step 5: Solve for x
    x = 60,919,469,593,122.78/7,767,000.60
  6. Step 6: Final answer
    x = 7,843,371.30

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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.