Home / 7,136,393.78-9,848,233.17-3,873,208.56

Finding the Fourth Proportional to 7,136,393.78, 9,848,233.17 and 3,873,208.56

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Solution

The fourth proportional to 7,136,393.78, 9,848,233.17 and 3,873,208.56 is: 5,345,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,393.78 : 9,848,233.17 = 3,873,208.56 : x
  2. Step 2: Convert to fraction form
    7,136,393.78/9,848,233.17 = 3,873,208.56/x
  3. Step 3: Cross multiply
    7,136,393.78x = 9,848,233.17 × 3,873,208.56
  4. Step 4: Simplify right side
    7,136,393.78x = 38,144,261,014,919.94
  5. Step 5: Solve for x
    x = 38,144,261,014,919.94/7,136,393.78
  6. Step 6: Final answer
    x = 5,345,033.10

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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.