Home / 20,211,021.16-30,328,538.37-7,440,493.93

Finding the Fourth Proportional to 20,211,021.16, 30,328,538.37 and 7,440,493.93

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Solution

The fourth proportional to 20,211,021.16, 30,328,538.37 and 7,440,493.93 is: 11,165,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211,021.16 : 30,328,538.37 = 7,440,493.93 : x
  2. Step 2: Convert to fraction form
    20,211,021.16/30,328,538.37 = 7,440,493.93/x
  3. Step 3: Cross multiply
    20,211,021.16x = 30,328,538.37 × 7,440,493.93
  4. Step 4: Simplify right side
    20,211,021.16x = 225,659,305,647,757.09
  5. Step 5: Solve for x
    x = 225,659,305,647,757.09/20,211,021.16
  6. Step 6: Final answer
    x = 11,165,161.02

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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.