Home / 27,259,660.80-40,889,491.20-9,987,828.30

Finding the Fourth Proportional to 27,259,660.80, 40,889,491.20 and 9,987,828.30

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Solution

The fourth proportional to 27,259,660.80, 40,889,491.20 and 9,987,828.30 is: 14,981,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259,660.80 : 40,889,491.20 = 9,987,828.30 : x
  2. Step 2: Convert to fraction form
    27,259,660.80/40,889,491.20 = 9,987,828.30/x
  3. Step 3: Cross multiply
    27,259,660.80x = 40,889,491.20 × 9,987,828.30
  4. Step 4: Simplify right side
    27,259,660.80x = 408,397,217,379,961
  5. Step 5: Solve for x
    x = 408,397,217,379,961/27,259,660.80
  6. Step 6: Final answer
    x = 14,981,742.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.