Home / 6,665,503.90-9,198,349.59-3,609,648.22

Finding the Fourth Proportional to 6,665,503.90, 9,198,349.59 and 3,609,648.22

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Solution

The fourth proportional to 6,665,503.90, 9,198,349.59 and 3,609,648.22 is: 4,981,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,503.90 : 9,198,349.59 = 3,609,648.22 : x
  2. Step 2: Convert to fraction form
    6,665,503.90/9,198,349.59 = 3,609,648.22/x
  3. Step 3: Cross multiply
    6,665,503.90x = 9,198,349.59 × 3,609,648.22
  4. Step 4: Simplify right side
    6,665,503.90x = 33,202,806,224,481.23
  5. Step 5: Solve for x
    x = 33,202,806,224,481.23/6,665,503.90
  6. Step 6: Final answer
    x = 4,981,289.75

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Double scale
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1.5x scale

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.