Home / 12,743,867.55-17,585,923.73-7,236,514.95

Finding the Fourth Proportional to 12,743,867.55, 17,585,923.73 and 7,236,514.95

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Solution

The fourth proportional to 12,743,867.55, 17,585,923.73 and 7,236,514.95 is: 9,986,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743,867.55 : 17,585,923.73 = 7,236,514.95 : x
  2. Step 2: Convert to fraction form
    12,743,867.55/17,585,923.73 = 7,236,514.95/x
  3. Step 3: Cross multiply
    12,743,867.55x = 17,585,923.73 × 7,236,514.95
  4. Step 4: Simplify right side
    12,743,867.55x = 127,260,799,981,704.77
  5. Step 5: Solve for x
    x = 127,260,799,981,704.77/12,743,867.55
  6. Step 6: Final answer
    x = 9,986,042.27

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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.