Home / 7,231,194.70-9,979,021.15-3,968,064.03

Finding the Fourth Proportional to 7,231,194.70, 9,979,021.15 and 3,968,064.03

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Solution

The fourth proportional to 7,231,194.70, 9,979,021.15 and 3,968,064.03 is: 5,475,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,194.70 : 9,979,021.15 = 3,968,064.03 : x
  2. Step 2: Convert to fraction form
    7,231,194.70/9,979,021.15 = 3,968,064.03/x
  3. Step 3: Cross multiply
    7,231,194.70x = 9,979,021.15 × 3,968,064.03
  4. Step 4: Simplify right side
    7,231,194.70x = 39,597,394,879,924.23
  5. Step 5: Solve for x
    x = 39,597,394,879,924.23/7,231,194.70
  6. Step 6: Final answer
    x = 5,475,913.25

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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.