Home / 28,998,375.41-40,017,454.81-21,589,166.30

Finding the Fourth Proportional to 28,998,375.41, 40,017,454.81 and 21,589,166.30

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Solution

The fourth proportional to 28,998,375.41, 40,017,454.81 and 21,589,166.30 is: 29,792,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998,375.41 : 40,017,454.81 = 21,589,166.30 : x
  2. Step 2: Convert to fraction form
    28,998,375.41/40,017,454.81 = 21,589,166.30/x
  3. Step 3: Cross multiply
    28,998,375.41x = 40,017,454.81 × 21,589,166.30
  4. Step 4: Simplify right side
    28,998,375.41x = 863,943,486,541,764.75
  5. Step 5: Solve for x
    x = 863,943,486,541,764.75/28,998,375.41
  6. Step 6: Final answer
    x = 29,792,823.71

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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.