Home / 18,782,270.10-28,192,067.55-9,208,458.90

Finding the Fourth Proportional to 18,782,270.10, 28,192,067.55 and 9,208,458.90

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Solution

The fourth proportional to 18,782,270.10, 28,192,067.55 and 9,208,458.90 is: 13,821,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782,270.10 : 28,192,067.55 = 9,208,458.90 : x
  2. Step 2: Convert to fraction form
    18,782,270.10/28,192,067.55 = 9,208,458.90/x
  3. Step 3: Cross multiply
    18,782,270.10x = 28,192,067.55 × 9,208,458.90
  4. Step 4: Simplify right side
    18,782,270.10x = 259,605,495,340,198.72
  5. Step 5: Solve for x
    x = 259,605,495,340,198.72/18,782,270.10
  6. Step 6: Final answer
    x = 13,821,838.04

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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.