Home / 18,981,293.66-28,471,982.02-6,859,318.24

Finding the Fourth Proportional to 18,981,293.66, 28,471,982.02 and 6,859,318.24

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Solution

The fourth proportional to 18,981,293.66, 28,471,982.02 and 6,859,318.24 is: 10,288,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981,293.66 : 28,471,982.02 = 6,859,318.24 : x
  2. Step 2: Convert to fraction form
    18,981,293.66/28,471,982.02 = 6,859,318.24/x
  3. Step 3: Cross multiply
    18,981,293.66x = 28,471,982.02 × 6,859,318.24
  4. Step 4: Simplify right side
    18,981,293.66x = 195,298,385,617,179.72
  5. Step 5: Solve for x
    x = 195,298,385,617,179.72/18,981,293.66
  6. Step 6: Final answer
    x = 10,288,992.37

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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.