Home / 38,264,736.80-57,397,105.20-21,258,624.80

Finding the Fourth Proportional to 38,264,736.80, 57,397,105.20 and 21,258,624.80

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Solution

The fourth proportional to 38,264,736.80, 57,397,105.20 and 21,258,624.80 is: 31,887,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,264,736.80 : 57,397,105.20 = 21,258,624.80 : x
  2. Step 2: Convert to fraction form
    38,264,736.80/57,397,105.20 = 21,258,624.80/x
  3. Step 3: Cross multiply
    38,264,736.80x = 57,397,105.20 × 21,258,624.80
  4. Step 4: Simplify right side
    38,264,736.80x = 1,220,183,524,052,929
  5. Step 5: Solve for x
    x = 1,220,183,524,052,929/38,264,736.80
  6. Step 6: Final answer
    x = 31,887,937.20

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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.