Home / 13,981,476.94-19,295,036.79-7,786,523.61

Finding the Fourth Proportional to 13,981,476.94, 19,295,036.79 and 7,786,523.61

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Solution

The fourth proportional to 13,981,476.94, 19,295,036.79 and 7,786,523.61 is: 10,745,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981,476.94 : 19,295,036.79 = 7,786,523.61 : x
  2. Step 2: Convert to fraction form
    13,981,476.94/19,295,036.79 = 7,786,523.61/x
  3. Step 3: Cross multiply
    13,981,476.94x = 19,295,036.79 × 7,786,523.61
  4. Step 4: Simplify right side
    13,981,476.94x = 150,241,259,491,954.16
  5. Step 5: Solve for x
    x = 150,241,259,491,954.16/13,981,476.94
  6. Step 6: Final answer
    x = 10,745,735.96

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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.