Home / 7,231,693.62-9,979,859.67-3,968,811.93

Finding the Fourth Proportional to 7,231,693.62, 9,979,859.67 and 3,968,811.93

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Solution

The fourth proportional to 7,231,693.62, 9,979,859.67 and 3,968,811.93 is: 5,477,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,693.62 : 9,979,859.67 = 3,968,811.93 : x
  2. Step 2: Convert to fraction form
    7,231,693.62/9,979,859.67 = 3,968,811.93/x
  3. Step 3: Cross multiply
    7,231,693.62x = 9,979,859.67 × 3,968,811.93
  4. Step 4: Simplify right side
    7,231,693.62x = 39,608,186,118,021.87
  5. Step 5: Solve for x
    x = 39,608,186,118,021.87/7,231,693.62
  6. Step 6: Final answer
    x = 5,477,027.68

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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.