Home / 7,235,112.82-9,983,826-3,971,914.42

Finding the Fourth Proportional to 7,235,112.82, 9,983,826 and 3,971,914.42

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Solution

The fourth proportional to 7,235,112.82, 9,983,826 and 3,971,914.42 is: 5,480,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235,112.82 : 9,983,826 = 3,971,914.42 : x
  2. Step 2: Convert to fraction form
    7,235,112.82/9,983,826 = 3,971,914.42/x
  3. Step 3: Cross multiply
    7,235,112.82x = 9,983,826 × 3,971,914.42
  4. Step 4: Simplify right side
    7,235,112.82x = 39,654,902,456,170.92
  5. Step 5: Solve for x
    x = 39,654,902,456,170.92/7,235,112.82
  6. Step 6: Final answer
    x = 5,480,896.21

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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.