Home / 30,887,814.75-42,625,067.39-16,949,403.07

Finding the Fourth Proportional to 30,887,814.75, 42,625,067.39 and 16,949,403.07

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Solution

The fourth proportional to 30,887,814.75, 42,625,067.39 and 16,949,403.07 is: 23,390,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887,814.75 : 42,625,067.39 = 16,949,403.07 : x
  2. Step 2: Convert to fraction form
    30,887,814.75/42,625,067.39 = 16,949,403.07/x
  3. Step 3: Cross multiply
    30,887,814.75x = 42,625,067.39 × 16,949,403.07
  4. Step 4: Simplify right side
    30,887,814.75x = 722,469,448,079,022.88
  5. Step 5: Solve for x
    x = 722,469,448,079,022.88/30,887,814.75
  6. Step 6: Final answer
    x = 23,390,112.05

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