Home / 7,136,778.54-9,848,729.45-3,873,593.09

Finding the Fourth Proportional to 7,136,778.54, 9,848,729.45 and 3,873,593.09

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Solution

The fourth proportional to 7,136,778.54, 9,848,729.45 and 3,873,593.09 is: 5,345,544.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,778.54 : 9,848,729.45 = 3,873,593.09 : x
  2. Step 2: Convert to fraction form
    7,136,778.54/9,848,729.45 = 3,873,593.09/x
  3. Step 3: Cross multiply
    7,136,778.54x = 9,848,729.45 × 3,873,593.09
  4. Step 4: Simplify right side
    7,136,778.54x = 38,149,970,274,187.89
  5. Step 5: Solve for x
    x = 38,149,970,274,187.89/7,136,778.54
  6. Step 6: Final answer
    x = 5,345,544.92

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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.