Home / 19,338,067.97-28,999,645.90-8,549,447.39

Finding the Fourth Proportional to 19,338,067.97, 28,999,645.90 and 8,549,447.39

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Solution

The fourth proportional to 19,338,067.97, 28,999,645.90 and 8,549,447.39 is: 12,820,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338,067.97 : 28,999,645.90 = 8,549,447.39 : x
  2. Step 2: Convert to fraction form
    19,338,067.97/28,999,645.90 = 8,549,447.39/x
  3. Step 3: Cross multiply
    19,338,067.97x = 28,999,645.90 × 8,549,447.39
  4. Step 4: Simplify right side
    19,338,067.97x = 247,930,946,762,933.72
  5. Step 5: Solve for x
    x = 247,930,946,762,933.72/19,338,067.97
  6. Step 6: Final answer
    x = 12,820,874.72

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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.