Home / 7,159,034.82-9,879,469.66-3,939,770.82

Finding the Fourth Proportional to 7,159,034.82, 9,879,469.66 and 3,939,770.82

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Solution

The fourth proportional to 7,159,034.82, 9,879,469.66 and 3,939,770.82 is: 5,436,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159,034.82 : 9,879,469.66 = 3,939,770.82 : x
  2. Step 2: Convert to fraction form
    7,159,034.82/9,879,469.66 = 3,939,770.82/x
  3. Step 3: Cross multiply
    7,159,034.82x = 9,879,469.66 × 3,939,770.82
  4. Step 4: Simplify right side
    7,159,034.82x = 38,922,846,283,543.32
  5. Step 5: Solve for x
    x = 38,922,846,283,543.32/7,159,034.82
  6. Step 6: Final answer
    x = 5,436,884.62

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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.