Home / 7,143,308.38-9,857,943.57-3,880,122.13

Finding the Fourth Proportional to 7,143,308.38, 9,857,943.57 and 3,880,122.13

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Solution

The fourth proportional to 7,143,308.38, 9,857,943.57 and 3,880,122.13 is: 5,354,665.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,308.38 : 9,857,943.57 = 3,880,122.13 : x
  2. Step 2: Convert to fraction form
    7,143,308.38/9,857,943.57 = 3,880,122.13/x
  3. Step 3: Cross multiply
    7,143,308.38x = 9,857,943.57 × 3,880,122.13
  4. Step 4: Simplify right side
    7,143,308.38x = 38,250,025,002,248.20
  5. Step 5: Solve for x
    x = 38,250,025,002,248.20/7,143,308.38
  6. Step 6: Final answer
    x = 5,354,665.23

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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.