Home / 7,948,900.40-11,923,998.60-3,399,983.60

Finding the Fourth Proportional to 7,948,900.40, 11,923,998.60 and 3,399,983.60

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Solution

The fourth proportional to 7,948,900.40, 11,923,998.60 and 3,399,983.60 is: 5,100,252.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948,900.40 : 11,923,998.60 = 3,399,983.60 : x
  2. Step 2: Convert to fraction form
    7,948,900.40/11,923,998.60 = 3,399,983.60/x
  3. Step 3: Cross multiply
    7,948,900.40x = 11,923,998.60 × 3,399,983.60
  4. Step 4: Simplify right side
    7,948,900.40x = 40,541,399,686,422.96
  5. Step 5: Solve for x
    x = 40,541,399,686,422.96/7,948,900.40
  6. Step 6: Final answer
    x = 5,100,252.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.