Home / 20,288,163.79-27,981,340.95-17,835,530.77

Finding the Fourth Proportional to 20,288,163.79, 27,981,340.95 and 17,835,530.77

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Solution

The fourth proportional to 20,288,163.79, 27,981,340.95 and 17,835,530.77 is: 24,598,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288,163.79 : 27,981,340.95 = 17,835,530.77 : x
  2. Step 2: Convert to fraction form
    20,288,163.79/27,981,340.95 = 17,835,530.77/x
  3. Step 3: Cross multiply
    20,288,163.79x = 27,981,340.95 × 17,835,530.77
  4. Step 4: Simplify right side
    20,288,163.79x = 499,062,067,499,586
  5. Step 5: Solve for x
    x = 499,062,067,499,586/20,288,163.79
  6. Step 6: Final answer
    x = 24,598,680.92

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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.