Home / 8,508,049.60-12,762,074.40-7,445,167.60

Finding the Fourth Proportional to 8,508,049.60, 12,762,074.40 and 7,445,167.60

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Solution

The fourth proportional to 8,508,049.60, 12,762,074.40 and 7,445,167.60 is: 11,167,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508,049.60 : 12,762,074.40 = 7,445,167.60 : x
  2. Step 2: Convert to fraction form
    8,508,049.60/12,762,074.40 = 7,445,167.60/x
  3. Step 3: Cross multiply
    8,508,049.60x = 12,762,074.40 × 7,445,167.60
  4. Step 4: Simplify right side
    8,508,049.60x = 95,015,782,831,669.44
  5. Step 5: Solve for x
    x = 95,015,782,831,669.44/8,508,049.60
  6. Step 6: Final answer
    x = 11,167,751.40

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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.