Home / 12,409,001.96-18,613,736.22-3,889,149.80

Finding the Fourth Proportional to 12,409,001.96, 18,613,736.22 and 3,889,149.80

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Solution

The fourth proportional to 12,409,001.96, 18,613,736.22 and 3,889,149.80 is: 5,833,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409,001.96 : 18,613,736.22 = 3,889,149.80 : x
  2. Step 2: Convert to fraction form
    12,409,001.96/18,613,736.22 = 3,889,149.80/x
  3. Step 3: Cross multiply
    12,409,001.96x = 18,613,736.22 × 3,889,149.80
  4. Step 4: Simplify right side
    12,409,001.96x = 72,391,608,497,265.75
  5. Step 5: Solve for x
    x = 72,391,608,497,265.75/12,409,001.96
  6. Step 6: Final answer
    x = 5,833,797.81

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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.