Home / 6,979,933.62-9,631,129.05-3,882,049.74

Finding the Fourth Proportional to 6,979,933.62, 9,631,129.05 and 3,882,049.74

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Solution

The fourth proportional to 6,979,933.62, 9,631,129.05 and 3,882,049.74 is: 5,356,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,933.62 : 9,631,129.05 = 3,882,049.74 : x
  2. Step 2: Convert to fraction form
    6,979,933.62/9,631,129.05 = 3,882,049.74/x
  3. Step 3: Cross multiply
    6,979,933.62x = 9,631,129.05 × 3,882,049.74
  4. Step 4: Simplify right side
    6,979,933.62x = 37,388,522,024,458.95
  5. Step 5: Solve for x
    x = 37,388,522,024,458.95/6,979,933.62
  6. Step 6: Final answer
    x = 5,356,572.72

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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.