Home / 7,898,239.67-11,847,818.79-2,218,906.85

Finding the Fourth Proportional to 7,898,239.67, 11,847,818.79 and 2,218,906.85

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Solution

The fourth proportional to 7,898,239.67, 11,847,818.79 and 2,218,906.85 is: 3,328,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898,239.67 : 11,847,818.79 = 2,218,906.85 : x
  2. Step 2: Convert to fraction form
    7,898,239.67/11,847,818.79 = 2,218,906.85/x
  3. Step 3: Cross multiply
    7,898,239.67x = 11,847,818.79 × 2,218,906.85
  4. Step 4: Simplify right side
    7,898,239.67x = 26,289,206,211,450.62
  5. Step 5: Solve for x
    x = 26,289,206,211,450.62/7,898,239.67
  6. Step 6: Final answer
    x = 3,328,489.30

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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.