Home / 31,628,826.93-43,647,883.38-17,690,421

Finding the Fourth Proportional to 31,628,826.93, 43,647,883.38 and 17,690,421

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Solution

The fourth proportional to 31,628,826.93, 43,647,883.38 and 17,690,421 is: 24,412,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628,826.93 : 43,647,883.38 = 17,690,421 : x
  2. Step 2: Convert to fraction form
    31,628,826.93/43,647,883.38 = 17,690,421/x
  3. Step 3: Cross multiply
    31,628,826.93x = 43,647,883.38 × 17,690,421
  4. Step 4: Simplify right side
    31,628,826.93x = 772,149,432,751,103
  5. Step 5: Solve for x
    x = 772,149,432,751,103/31,628,826.93
  6. Step 6: Final answer
    x = 24,412,838.15

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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.