Home / 27,754,078.10-38,301,081.20-15,194,923.20

Finding the Fourth Proportional to 27,754,078.10, 38,301,081.20 and 15,194,923.20

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Solution

The fourth proportional to 27,754,078.10, 38,301,081.20 and 15,194,923.20 is: 20,969,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,754,078.10 : 38,301,081.20 = 15,194,923.20 : x
  2. Step 2: Convert to fraction form
    27,754,078.10/38,301,081.20 = 15,194,923.20/x
  3. Step 3: Cross multiply
    27,754,078.10x = 38,301,081.20 × 15,194,923.20
  4. Step 4: Simplify right side
    27,754,078.10x = 581,981,987,234,989.25
  5. Step 5: Solve for x
    x = 581,981,987,234,989.25/27,754,078.10
  6. Step 6: Final answer
    x = 20,969,242.26

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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.