Home / 7,040,696.50-9,714,495.18-3,984,910.84

Finding the Fourth Proportional to 7,040,696.50, 9,714,495.18 and 3,984,910.84

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Solution

The fourth proportional to 7,040,696.50, 9,714,495.18 and 3,984,910.84 is: 5,498,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040,696.50 : 9,714,495.18 = 3,984,910.84 : x
  2. Step 2: Convert to fraction form
    7,040,696.50/9,714,495.18 = 3,984,910.84/x
  3. Step 3: Cross multiply
    7,040,696.50x = 9,714,495.18 × 3,984,910.84
  4. Step 4: Simplify right side
    7,040,696.50x = 38,711,397,147,909.75
  5. Step 5: Solve for x
    x = 38,711,397,147,909.75/7,040,696.50
  6. Step 6: Final answer
    x = 5,498,234.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.