Home / 11,415,742.82-17,120,993.90-6,806,033.42

Finding the Fourth Proportional to 11,415,742.82, 17,120,993.90 and 6,806,033.42

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Solution

The fourth proportional to 11,415,742.82, 17,120,993.90 and 6,806,033.42 is: 10,207,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415,742.82 : 17,120,993.90 = 6,806,033.42 : x
  2. Step 2: Convert to fraction form
    11,415,742.82/17,120,993.90 = 6,806,033.42/x
  3. Step 3: Cross multiply
    11,415,742.82x = 17,120,993.90 × 6,806,033.42
  4. Step 4: Simplify right side
    11,415,742.82x = 116,526,056,667,016.12
  5. Step 5: Solve for x
    x = 116,526,056,667,016.12/11,415,742.82
  6. Step 6: Final answer
    x = 10,207,487.90

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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.