Home / 20,589,564.54-28,414,121.99-11,297,132.16

Finding the Fourth Proportional to 20,589,564.54, 28,414,121.99 and 11,297,132.16

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Solution

The fourth proportional to 20,589,564.54, 28,414,121.99 and 11,297,132.16 is: 15,590,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589,564.54 : 28,414,121.99 = 11,297,132.16 : x
  2. Step 2: Convert to fraction form
    20,589,564.54/28,414,121.99 = 11,297,132.16/x
  3. Step 3: Cross multiply
    20,589,564.54x = 28,414,121.99 × 11,297,132.16
  4. Step 4: Simplify right side
    20,589,564.54x = 320,998,091,331,392.19
  5. Step 5: Solve for x
    x = 320,998,091,331,392.19/20,589,564.54
  6. Step 6: Final answer
    x = 15,590,329.30

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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.