Home / 20,804,626.87-28,712,546.13-11,984,382.97

Finding the Fourth Proportional to 20,804,626.87, 28,712,546.13 and 11,984,382.97

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Solution

The fourth proportional to 20,804,626.87, 28,712,546.13 and 11,984,382.97 is: 16,539,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,626.87 : 28,712,546.13 = 11,984,382.97 : x
  2. Step 2: Convert to fraction form
    20,804,626.87/28,712,546.13 = 11,984,382.97/x
  3. Step 3: Cross multiply
    20,804,626.87x = 28,712,546.13 × 11,984,382.97
  4. Step 4: Simplify right side
    20,804,626.87x = 344,102,148,865,711.44
  5. Step 5: Solve for x
    x = 344,102,148,865,711.44/20,804,626.87
  6. Step 6: Final answer
    x = 16,539,693.36

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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.