Home / 18,792,077.80-28,188,116.70-15,432,845.80

Finding the Fourth Proportional to 18,792,077.80, 28,188,116.70 and 15,432,845.80

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Solution

The fourth proportional to 18,792,077.80, 28,188,116.70 and 15,432,845.80 is: 23,149,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,077.80 : 28,188,116.70 = 15,432,845.80 : x
  2. Step 2: Convert to fraction form
    18,792,077.80/28,188,116.70 = 15,432,845.80/x
  3. Step 3: Cross multiply
    18,792,077.80x = 28,188,116.70 × 15,432,845.80
  4. Step 4: Simplify right side
    18,792,077.80x = 435,022,858,423,504.88
  5. Step 5: Solve for x
    x = 435,022,858,423,504.88/18,792,077.80
  6. Step 6: Final answer
    x = 23,149,268.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.