Home / 31,628,815.43-43,647,867.51-17,690,409.50

Finding the Fourth Proportional to 31,628,815.43, 43,647,867.51 and 17,690,409.50

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Solution

The fourth proportional to 31,628,815.43, 43,647,867.51 and 17,690,409.50 is: 24,412,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628,815.43 : 43,647,867.51 = 17,690,409.50 : x
  2. Step 2: Convert to fraction form
    31,628,815.43/43,647,867.51 = 17,690,409.50/x
  3. Step 3: Cross multiply
    31,628,815.43x = 43,647,867.51 × 17,690,409.50
  4. Step 4: Simplify right side
    31,628,815.43x = 772,148,650,053,645.25
  5. Step 5: Solve for x
    x = 772,148,650,053,645.25/31,628,815.43
  6. Step 6: Final answer
    x = 24,412,822.28

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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.