Home / 6,648,921.24-9,175,115.78-3,857,828.97

Finding the Fourth Proportional to 6,648,921.24, 9,175,115.78 and 3,857,828.97

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Solution

The fourth proportional to 6,648,921.24, 9,175,115.78 and 3,857,828.97 is: 5,323,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648,921.24 : 9,175,115.78 = 3,857,828.97 : x
  2. Step 2: Convert to fraction form
    6,648,921.24/9,175,115.78 = 3,857,828.97/x
  3. Step 3: Cross multiply
    6,648,921.24x = 9,175,115.78 × 3,857,828.97
  4. Step 4: Simplify right side
    6,648,921.24x = 35,396,027,439,899.01
  5. Step 5: Solve for x
    x = 35,396,027,439,899.01/6,648,921.24
  6. Step 6: Final answer
    x = 5,323,574.48

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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.