Home / 11,382,138.40-17,067,302.70-4,189,970.20

Finding the Fourth Proportional to 11,382,138.40, 17,067,302.70 and 4,189,970.20

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Solution

The fourth proportional to 11,382,138.40, 17,067,302.70 and 4,189,970.20 is: 6,282,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382,138.40 : 17,067,302.70 = 4,189,970.20 : x
  2. Step 2: Convert to fraction form
    11,382,138.40/17,067,302.70 = 4,189,970.20/x
  3. Step 3: Cross multiply
    11,382,138.40x = 17,067,302.70 × 4,189,970.20
  4. Step 4: Simplify right side
    11,382,138.40x = 71,511,489,707,379.55
  5. Step 5: Solve for x
    x = 71,511,489,707,379.55/11,382,138.40
  6. Step 6: Final answer
    x = 6,282,781.60

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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.