Home / 12,981,446.65-19,471,628.62-3,396,612.97

Finding the Fourth Proportional to 12,981,446.65, 19,471,628.62 and 3,396,612.97

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Solution

The fourth proportional to 12,981,446.65, 19,471,628.62 and 3,396,612.97 is: 5,094,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,981,446.65 : 19,471,628.62 = 3,396,612.97 : x
  2. Step 2: Convert to fraction form
    12,981,446.65/19,471,628.62 = 3,396,612.97/x
  3. Step 3: Cross multiply
    12,981,446.65x = 19,471,628.62 × 3,396,612.97
  4. Step 4: Simplify right side
    12,981,446.65x = 66,137,586,260,544.59
  5. Step 5: Solve for x
    x = 66,137,586,260,544.59/12,981,446.65
  6. Step 6: Final answer
    x = 5,094,777.81

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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.