Home / 6,911,984.09-9,538,544.03-3,856,198.97

Finding the Fourth Proportional to 6,911,984.09, 9,538,544.03 and 3,856,198.97

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Solution

The fourth proportional to 6,911,984.09, 9,538,544.03 and 3,856,198.97 is: 5,321,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911,984.09 : 9,538,544.03 = 3,856,198.97 : x
  2. Step 2: Convert to fraction form
    6,911,984.09/9,538,544.03 = 3,856,198.97/x
  3. Step 3: Cross multiply
    6,911,984.09x = 9,538,544.03 × 3,856,198.97
  4. Step 4: Simplify right side
    6,911,984.09x = 36,782,523,644,504.66
  5. Step 5: Solve for x
    x = 36,782,523,644,504.66/6,911,984.09
  6. Step 6: Final answer
    x = 5,321,557.92

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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.