Home / 7,792,912.80-11,691,212.40-2,474,128.80

Finding the Fourth Proportional to 7,792,912.80, 11,691,212.40 and 2,474,128.80

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Solution

The fourth proportional to 7,792,912.80, 11,691,212.40 and 2,474,128.80 is: 3,711,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792,912.80 : 11,691,212.40 = 2,474,128.80 : x
  2. Step 2: Convert to fraction form
    7,792,912.80/11,691,212.40 = 2,474,128.80/x
  3. Step 3: Cross multiply
    7,792,912.80x = 11,691,212.40 × 2,474,128.80
  4. Step 4: Simplify right side
    7,792,912.80x = 28,925,565,305,757.12
  5. Step 5: Solve for x
    x = 28,925,565,305,757.12/7,792,912.80
  6. Step 6: Final answer
    x = 3,711,778.39

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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.