Home / 8,518,188.60-12,777,282.90-5,669,062.20

Finding the Fourth Proportional to 8,518,188.60, 12,777,282.90 and 5,669,062.20

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Solution

The fourth proportional to 8,518,188.60, 12,777,282.90 and 5,669,062.20 is: 8,503,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,188.60 : 12,777,282.90 = 5,669,062.20 : x
  2. Step 2: Convert to fraction form
    8,518,188.60/12,777,282.90 = 5,669,062.20/x
  3. Step 3: Cross multiply
    8,518,188.60x = 12,777,282.90 × 5,669,062.20
  4. Step 4: Simplify right side
    8,518,188.60x = 72,435,211,507,096.39
  5. Step 5: Solve for x
    x = 72,435,211,507,096.39/8,518,188.60
  6. Step 6: Final answer
    x = 8,503,593.30

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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.