Home / 8,324,808.20-12,487,212.30-2,645,606.60

Finding the Fourth Proportional to 8,324,808.20, 12,487,212.30 and 2,645,606.60

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Solution

The fourth proportional to 8,324,808.20, 12,487,212.30 and 2,645,606.60 is: 3,968,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324,808.20 : 12,487,212.30 = 2,645,606.60 : x
  2. Step 2: Convert to fraction form
    8,324,808.20/12,487,212.30 = 2,645,606.60/x
  3. Step 3: Cross multiply
    8,324,808.20x = 12,487,212.30 × 2,645,606.60
  4. Step 4: Simplify right side
    8,324,808.20x = 33,036,251,276,481.18
  5. Step 5: Solve for x
    x = 33,036,251,276,481.18/8,324,808.20
  6. Step 6: Final answer
    x = 3,968,409.90

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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.