Home / 10,720,067.22-16,080,800.67-7,850,023.38

Finding the Fourth Proportional to 10,720,067.22, 16,080,800.67 and 7,850,023.38

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Solution

The fourth proportional to 10,720,067.22, 16,080,800.67 and 7,850,023.38 is: 11,775,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720,067.22 : 16,080,800.67 = 7,850,023.38 : x
  2. Step 2: Convert to fraction form
    10,720,067.22/16,080,800.67 = 7,850,023.38/x
  3. Step 3: Cross multiply
    10,720,067.22x = 16,080,800.67 × 7,850,023.38
  4. Step 4: Simplify right side
    10,720,067.22x = 126,234,661,267,784.97
  5. Step 5: Solve for x
    x = 126,234,661,267,784.97/10,720,067.22
  6. Step 6: Final answer
    x = 11,775,547.55

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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.