Home / 13,071,418.57-18,037,293.92-7,563,694.78

Finding the Fourth Proportional to 13,071,418.57, 18,037,293.92 and 7,563,694.78

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Solution

The fourth proportional to 13,071,418.57, 18,037,293.92 and 7,563,694.78 is: 10,437,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071,418.57 : 18,037,293.92 = 7,563,694.78 : x
  2. Step 2: Convert to fraction form
    13,071,418.57/18,037,293.92 = 7,563,694.78/x
  3. Step 3: Cross multiply
    13,071,418.57x = 18,037,293.92 × 7,563,694.78
  4. Step 4: Simplify right side
    13,071,418.57x = 136,428,585,777,843.28
  5. Step 5: Solve for x
    x = 136,428,585,777,843.28/13,071,418.57
  6. Step 6: Final answer
    x = 10,437,167.56

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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.