Home / 28,906,963.63-39,887,932.25-16,517,860.13

Finding the Fourth Proportional to 28,906,963.63, 39,887,932.25 and 16,517,860.13

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Solution

The fourth proportional to 28,906,963.63, 39,887,932.25 and 16,517,860.13 is: 22,792,545.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906,963.63 : 39,887,932.25 = 16,517,860.13 : x
  2. Step 2: Convert to fraction form
    28,906,963.63/39,887,932.25 = 16,517,860.13/x
  3. Step 3: Cross multiply
    28,906,963.63x = 39,887,932.25 × 16,517,860.13
  4. Step 4: Simplify right side
    28,906,963.63x = 658,863,285,780,416.25
  5. Step 5: Solve for x
    x = 658,863,285,780,416.25/28,906,963.63
  6. Step 6: Final answer
    x = 22,792,545.57

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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.