Home / 12,301,414.80-18,452,122.20-4,728,627.60

Finding the Fourth Proportional to 12,301,414.80, 18,452,122.20 and 4,728,627.60

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Solution

The fourth proportional to 12,301,414.80, 18,452,122.20 and 4,728,627.60 is: 7,092,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301,414.80 : 18,452,122.20 = 4,728,627.60 : x
  2. Step 2: Convert to fraction form
    12,301,414.80/18,452,122.20 = 4,728,627.60/x
  3. Step 3: Cross multiply
    12,301,414.80x = 18,452,122.20 × 4,728,627.60
  4. Step 4: Simplify right side
    12,301,414.80x = 87,253,214,313,492.70
  5. Step 5: Solve for x
    x = 87,253,214,313,492.70/12,301,414.80
  6. Step 6: Final answer
    x = 7,092,941.40

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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.