Home / 7,204,389.78-9,942,136.32-3,941,134.38

Finding the Fourth Proportional to 7,204,389.78, 9,942,136.32 and 3,941,134.38

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Solution

The fourth proportional to 7,204,389.78, 9,942,136.32 and 3,941,134.38 is: 5,438,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204,389.78 : 9,942,136.32 = 3,941,134.38 : x
  2. Step 2: Convert to fraction form
    7,204,389.78/9,942,136.32 = 3,941,134.38/x
  3. Step 3: Cross multiply
    7,204,389.78x = 9,942,136.32 × 3,941,134.38
  4. Step 4: Simplify right side
    7,204,389.78x = 39,183,295,276,177.94
  5. Step 5: Solve for x
    x = 39,183,295,276,177.94/7,204,389.78
  6. Step 6: Final answer
    x = 5,438,808.34

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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.