Home / 11,942,105.75-17,882,766.85-7,892,525.33

Finding the Fourth Proportional to 11,942,105.75, 17,882,766.85 and 7,892,525.33

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Solution

The fourth proportional to 11,942,105.75, 17,882,766.85 and 7,892,525.33 is: 11,818,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942,105.75 : 17,882,766.85 = 7,892,525.33 : x
  2. Step 2: Convert to fraction form
    11,942,105.75/17,882,766.85 = 7,892,525.33/x
  3. Step 3: Cross multiply
    11,942,105.75x = 17,882,766.85 × 7,892,525.33
  4. Step 4: Simplify right side
    11,942,105.75x = 141,140,190,407,413.56
  5. Step 5: Solve for x
    x = 141,140,190,407,413.56/11,942,105.75
  6. Step 6: Final answer
    x = 11,818,702.10

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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.