Home / 12,301,330.80-18,451,996.20-4,728,543.60

Finding the Fourth Proportional to 12,301,330.80, 18,451,996.20 and 4,728,543.60

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Solution

The fourth proportional to 12,301,330.80, 18,451,996.20 and 4,728,543.60 is: 7,092,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301,330.80 : 18,451,996.20 = 4,728,543.60 : x
  2. Step 2: Convert to fraction form
    12,301,330.80/18,451,996.20 = 4,728,543.60/x
  3. Step 3: Cross multiply
    12,301,330.80x = 18,451,996.20 × 4,728,543.60
  4. Step 4: Simplify right side
    12,301,330.80x = 87,251,068,538,734.31
  5. Step 5: Solve for x
    x = 87,251,068,538,734.31/12,301,330.80
  6. Step 6: Final answer
    x = 7,092,815.40

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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.