Home / 13,055,632.92-18,012,169.53-7,469,799.75

Finding the Fourth Proportional to 13,055,632.92, 18,012,169.53 and 7,469,799.75

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Solution

The fourth proportional to 13,055,632.92, 18,012,169.53 and 7,469,799.75 is: 10,305,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,632.92 : 18,012,169.53 = 7,469,799.75 : x
  2. Step 2: Convert to fraction form
    13,055,632.92/18,012,169.53 = 7,469,799.75/x
  3. Step 3: Cross multiply
    13,055,632.92x = 18,012,169.53 × 7,469,799.75
  4. Step 4: Simplify right side
    13,055,632.92x = 134,547,299,452,151.62
  5. Step 5: Solve for x
    x = 134,547,299,452,151.62/13,055,632.92
  6. Step 6: Final answer
    x = 10,305,689.53

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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.