Home / 13,621,093.42-20,431,049.62-3,385,736.58

Finding the Fourth Proportional to 13,621,093.42, 20,431,049.62 and 3,385,736.58

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Solution

The fourth proportional to 13,621,093.42, 20,431,049.62 and 3,385,736.58 is: 5,078,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,093.42 : 20,431,049.62 = 3,385,736.58 : x
  2. Step 2: Convert to fraction form
    13,621,093.42/20,431,049.62 = 3,385,736.58/x
  3. Step 3: Cross multiply
    13,621,093.42x = 20,431,049.62 × 3,385,736.58
  4. Step 4: Simplify right side
    13,621,093.42x = 69,174,152,066,229.10
  5. Step 5: Solve for x
    x = 69,174,152,066,229.10/13,621,093.42
  6. Step 6: Final answer
    x = 5,078,458.09

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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.