Home / 12,149,736.40-18,224,896.20-3,630,350.80

Finding the Fourth Proportional to 12,149,736.40, 18,224,896.20 and 3,630,350.80

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Solution

The fourth proportional to 12,149,736.40, 18,224,896.20 and 3,630,350.80 is: 5,445,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149,736.40 : 18,224,896.20 = 3,630,350.80 : x
  2. Step 2: Convert to fraction form
    12,149,736.40/18,224,896.20 = 3,630,350.80/x
  3. Step 3: Cross multiply
    12,149,736.40x = 18,224,896.20 × 3,630,350.80
  4. Step 4: Simplify right side
    12,149,736.40x = 66,162,766,499,586.95
  5. Step 5: Solve for x
    x = 66,162,766,499,586.95/12,149,736.40
  6. Step 6: Final answer
    x = 5,445,613.33

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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.