Home / 18,361,910.76-27,537,945.38-5,578,983.24

Finding the Fourth Proportional to 18,361,910.76, 27,537,945.38 and 5,578,983.24

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Solution

The fourth proportional to 18,361,910.76, 27,537,945.38 and 5,578,983.24 is: 8,366,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361,910.76 : 27,537,945.38 = 5,578,983.24 : x
  2. Step 2: Convert to fraction form
    18,361,910.76/27,537,945.38 = 5,578,983.24/x
  3. Step 3: Cross multiply
    18,361,910.76x = 27,537,945.38 × 5,578,983.24
  4. Step 4: Simplify right side
    18,361,910.76x = 153,633,735,660,201.78
  5. Step 5: Solve for x
    x = 153,633,735,660,201.78/18,361,910.76
  6. Step 6: Final answer
    x = 8,366,979.76

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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.