Home / 28,846,200.72-39,806,179.92-15,790,934.04

Finding the Fourth Proportional to 28,846,200.72, 39,806,179.92 and 15,790,934.04

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Solution

The fourth proportional to 28,846,200.72, 39,806,179.92 and 15,790,934.04 is: 21,790,625.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846,200.72 : 39,806,179.92 = 15,790,934.04 : x
  2. Step 2: Convert to fraction form
    28,846,200.72/39,806,179.92 = 15,790,934.04/x
  3. Step 3: Cross multiply
    28,846,200.72x = 39,806,179.92 × 15,790,934.04
  4. Step 4: Simplify right side
    28,846,200.72x = 628,576,761,501,092.50
  5. Step 5: Solve for x
    x = 628,576,761,501,092.50/28,846,200.72
  6. Step 6: Final answer
    x = 21,790,625.66

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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.