Home / 13,229,760.28-18,214,837.14-11,288,229.16

Finding the Fourth Proportional to 13,229,760.28, 18,214,837.14 and 11,288,229.16

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Solution

The fourth proportional to 13,229,760.28, 18,214,837.14 and 11,288,229.16 is: 15,541,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229,760.28 : 18,214,837.14 = 11,288,229.16 : x
  2. Step 2: Convert to fraction form
    13,229,760.28/18,214,837.14 = 11,288,229.16/x
  3. Step 3: Cross multiply
    13,229,760.28x = 18,214,837.14 × 11,288,229.16
  4. Step 4: Simplify right side
    13,229,760.28x = 205,613,255,748,399
  5. Step 5: Solve for x
    x = 205,613,255,748,399/13,229,760.28
  6. Step 6: Final answer
    x = 15,541,721.95

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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.