Home / 8,324,999.84-12,479,921.40-3,204,160.40

Finding the Fourth Proportional to 8,324,999.84, 12,479,921.40 and 3,204,160.40

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Solution

The fourth proportional to 8,324,999.84, 12,479,921.40 and 3,204,160.40 is: 4,803,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324,999.84 : 12,479,921.40 = 3,204,160.40 : x
  2. Step 2: Convert to fraction form
    8,324,999.84/12,479,921.40 = 3,204,160.40/x
  3. Step 3: Cross multiply
    8,324,999.84x = 12,479,921.40 × 3,204,160.40
  4. Step 4: Simplify right side
    8,324,999.84x = 39,987,669,944,992.56
  5. Step 5: Solve for x
    x = 39,987,669,944,992.56/8,324,999.84
  6. Step 6: Final answer
    x = 4,803,323.81

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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.