Home / 30,135,517.73-45,198,431.93-8,270,789.31

Finding the Fourth Proportional to 30,135,517.73, 45,198,431.93 and 8,270,789.31

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Solution

The fourth proportional to 30,135,517.73, 45,198,431.93 and 8,270,789.31 is: 12,404,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135,517.73 : 45,198,431.93 = 8,270,789.31 : x
  2. Step 2: Convert to fraction form
    30,135,517.73/45,198,431.93 = 8,270,789.31/x
  3. Step 3: Cross multiply
    30,135,517.73x = 45,198,431.93 × 8,270,789.31
  4. Step 4: Simplify right side
    30,135,517.73x = 373,826,707,656,083.62
  5. Step 5: Solve for x
    x = 373,826,707,656,083.62/30,135,517.73
  6. Step 6: Final answer
    x = 12,404,854.33

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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.