Home / 20,177,486.30-30,266,229.45-12,099,583.10

Finding the Fourth Proportional to 20,177,486.30, 30,266,229.45 and 12,099,583.10

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Solution

The fourth proportional to 20,177,486.30, 30,266,229.45 and 12,099,583.10 is: 18,149,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,486.30 : 30,266,229.45 = 12,099,583.10 : x
  2. Step 2: Convert to fraction form
    20,177,486.30/30,266,229.45 = 12,099,583.10/x
  3. Step 3: Cross multiply
    20,177,486.30x = 30,266,229.45 × 12,099,583.10
  4. Step 4: Simplify right side
    20,177,486.30x = 366,208,758,353,942.25
  5. Step 5: Solve for x
    x = 366,208,758,353,942.25/20,177,486.30
  6. Step 6: Final answer
    x = 18,149,374.65

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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.