Home / 13,863,624.41-20,770,774.43-11,821,147.18

Finding the Fourth Proportional to 13,863,624.41, 20,770,774.43 and 11,821,147.18

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Solution

The fourth proportional to 13,863,624.41, 20,770,774.43 and 11,821,147.18 is: 17,710,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863,624.41 : 20,770,774.43 = 11,821,147.18 : x
  2. Step 2: Convert to fraction form
    13,863,624.41/20,770,774.43 = 11,821,147.18/x
  3. Step 3: Cross multiply
    13,863,624.41x = 20,770,774.43 × 11,821,147.18
  4. Step 4: Simplify right side
    13,863,624.41x = 245,534,381,557,236.56
  5. Step 5: Solve for x
    x = 245,534,381,557,236.56/13,863,624.41
  6. Step 6: Final answer
    x = 17,710,691.97

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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.