Home / 7,425,163.22-10,247,198.79-4,161,978.79

Finding the Fourth Proportional to 7,425,163.22, 10,247,198.79 and 4,161,978.79

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Solution

The fourth proportional to 7,425,163.22, 10,247,198.79 and 4,161,978.79 is: 5,743,796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425,163.22 : 10,247,198.79 = 4,161,978.79 : x
  2. Step 2: Convert to fraction form
    7,425,163.22/10,247,198.79 = 4,161,978.79/x
  3. Step 3: Cross multiply
    7,425,163.22x = 10,247,198.79 × 4,161,978.79
  4. Step 4: Simplify right side
    7,425,163.22x = 42,648,624,010,883.09
  5. Step 5: Solve for x
    x = 42,648,624,010,883.09/7,425,163.22
  6. Step 6: Final answer
    x = 5,743,796.17

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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.