Home / 7,136,629.48-9,848,578.26-3,873,448.90

Finding the Fourth Proportional to 7,136,629.48, 9,848,578.26 and 3,873,448.90

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Solution

The fourth proportional to 7,136,629.48, 9,848,578.26 and 3,873,448.90 is: 5,345,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,629.48 : 9,848,578.26 = 3,873,448.90 : x
  2. Step 2: Convert to fraction form
    7,136,629.48/9,848,578.26 = 3,873,448.90/x
  3. Step 3: Cross multiply
    7,136,629.48x = 9,848,578.26 × 3,873,448.90
  4. Step 4: Simplify right side
    7,136,629.48x = 38,147,964,627,760.91
  5. Step 5: Solve for x
    x = 38,147,964,627,760.91/7,136,629.48
  6. Step 6: Final answer
    x = 5,345,375.54

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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.