Home / 7,978,962.96-11,003,494.68-6,352,738.56

Finding the Fourth Proportional to 7,978,962.96, 11,003,494.68 and 6,352,738.56

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Solution

The fourth proportional to 7,978,962.96, 11,003,494.68 and 6,352,738.56 is: 8,760,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,962.96 : 11,003,494.68 = 6,352,738.56 : x
  2. Step 2: Convert to fraction form
    7,978,962.96/11,003,494.68 = 6,352,738.56/x
  3. Step 3: Cross multiply
    7,978,962.96x = 11,003,494.68 × 6,352,738.56
  4. Step 4: Simplify right side
    7,978,962.96x = 69,902,324,948,390.85
  5. Step 5: Solve for x
    x = 69,902,324,948,390.85/7,978,962.96
  6. Step 6: Final answer
    x = 8,760,828.36

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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.