Home / 17,981,026.80-26,971,540.20-11,934,409.20

Finding the Fourth Proportional to 17,981,026.80, 26,971,540.20 and 11,934,409.20

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Solution

The fourth proportional to 17,981,026.80, 26,971,540.20 and 11,934,409.20 is: 17,901,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981,026.80 : 26,971,540.20 = 11,934,409.20 : x
  2. Step 2: Convert to fraction form
    17,981,026.80/26,971,540.20 = 11,934,409.20/x
  3. Step 3: Cross multiply
    17,981,026.80x = 26,971,540.20 × 11,934,409.20
  4. Step 4: Simplify right side
    17,981,026.80x = 321,889,397,501,049.81
  5. Step 5: Solve for x
    x = 321,889,397,501,049.81/17,981,026.80
  6. Step 6: Final answer
    x = 17,901,613.80

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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.