Home / 30,887,815.10-42,625,067.87-16,949,403.41

Finding the Fourth Proportional to 30,887,815.10, 42,625,067.87 and 16,949,403.41

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Solution

The fourth proportional to 30,887,815.10, 42,625,067.87 and 16,949,403.41 is: 23,390,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887,815.10 : 42,625,067.87 = 16,949,403.41 : x
  2. Step 2: Convert to fraction form
    30,887,815.10/42,625,067.87 = 16,949,403.41/x
  3. Step 3: Cross multiply
    30,887,815.10x = 42,625,067.87 × 16,949,403.41
  4. Step 4: Simplify right side
    30,887,815.10x = 722,469,470,622,512.50
  5. Step 5: Solve for x
    x = 722,469,470,622,512.50/30,887,815.10
  6. Step 6: Final answer
    x = 23,390,112.52

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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.