Home / 6,928,691.38-10,387,739.03-4,195,643.97

Finding the Fourth Proportional to 6,928,691.38, 10,387,739.03 and 4,195,643.97

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Solution

The fourth proportional to 6,928,691.38, 10,387,739.03 and 4,195,643.97 is: 6,290,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928,691.38 : 10,387,739.03 = 4,195,643.97 : x
  2. Step 2: Convert to fraction form
    6,928,691.38/10,387,739.03 = 4,195,643.97/x
  3. Step 3: Cross multiply
    6,928,691.38x = 10,387,739.03 × 4,195,643.97
  4. Step 4: Simplify right side
    6,928,691.38x = 43,583,254,623,153.14
  5. Step 5: Solve for x
    x = 43,583,254,623,153.14/6,928,691.38
  6. Step 6: Final answer
    x = 6,290,257.75

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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.