Home / 18,694,361.70-28,041,542.55-6,722,777.70

Finding the Fourth Proportional to 18,694,361.70, 28,041,542.55 and 6,722,777.70

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Solution

The fourth proportional to 18,694,361.70, 28,041,542.55 and 6,722,777.70 is: 10,084,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694,361.70 : 28,041,542.55 = 6,722,777.70 : x
  2. Step 2: Convert to fraction form
    18,694,361.70/28,041,542.55 = 6,722,777.70/x
  3. Step 3: Cross multiply
    18,694,361.70x = 28,041,542.55 × 6,722,777.70
  4. Step 4: Simplify right side
    18,694,361.70x = 188,517,056,928,741.16
  5. Step 5: Solve for x
    x = 188,517,056,928,741.16/18,694,361.70
  6. Step 6: Final answer
    x = 10,084,166.55

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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.