Home / 7,601,161.62-11,401,742.42-1,921,385.93

Finding the Fourth Proportional to 7,601,161.62, 11,401,742.42 and 1,921,385.93

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Solution

The fourth proportional to 7,601,161.62, 11,401,742.42 and 1,921,385.93 is: 2,882,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601,161.62 : 11,401,742.42 = 1,921,385.93 : x
  2. Step 2: Convert to fraction form
    7,601,161.62/11,401,742.42 = 1,921,385.93/x
  3. Step 3: Cross multiply
    7,601,161.62x = 11,401,742.42 × 1,921,385.93
  4. Step 4: Simplify right side
    7,601,161.62x = 21,907,147,396,656.51
  5. Step 5: Solve for x
    x = 21,907,147,396,656.51/7,601,161.62
  6. Step 6: Final answer
    x = 2,882,078.88

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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.