Home / 27,666,716.32-38,179,919.76-16,067,128.48

Finding the Fourth Proportional to 27,666,716.32, 38,179,919.76 and 16,067,128.48

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Solution

The fourth proportional to 27,666,716.32, 38,179,919.76 and 16,067,128.48 is: 22,172,550.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,666,716.32 : 38,179,919.76 = 16,067,128.48 : x
  2. Step 2: Convert to fraction form
    27,666,716.32/38,179,919.76 = 16,067,128.48/x
  3. Step 3: Cross multiply
    27,666,716.32x = 38,179,919.76 × 16,067,128.48
  4. Step 4: Simplify right side
    27,666,716.32x = 613,441,676,140,010.75
  5. Step 5: Solve for x
    x = 613,441,676,140,010.75/27,666,716.32
  6. Step 6: Final answer
    x = 22,172,550.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.