Home / 13,229,759.28-18,214,835.76-11,288,228.16

Finding the Fourth Proportional to 13,229,759.28, 18,214,835.76 and 11,288,228.16

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Solution

The fourth proportional to 13,229,759.28, 18,214,835.76 and 11,288,228.16 is: 15,541,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229,759.28 : 18,214,835.76 = 11,288,228.16 : x
  2. Step 2: Convert to fraction form
    13,229,759.28/18,214,835.76 = 11,288,228.16/x
  3. Step 3: Cross multiply
    13,229,759.28x = 18,214,835.76 × 11,288,228.16
  4. Step 4: Simplify right side
    13,229,759.28x = 205,613,221,955,807.03
  5. Step 5: Solve for x
    x = 205,613,221,955,807.03/13,229,759.28
  6. Step 6: Final answer
    x = 15,541,720.57

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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.