Home / 7,972,458.80-11,958,688.20-3,720,930.80

Finding the Fourth Proportional to 7,972,458.80, 11,958,688.20 and 3,720,930.80

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Solution

The fourth proportional to 7,972,458.80, 11,958,688.20 and 3,720,930.80 is: 5,581,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,458.80 : 11,958,688.20 = 3,720,930.80 : x
  2. Step 2: Convert to fraction form
    7,972,458.80/11,958,688.20 = 3,720,930.80/x
  3. Step 3: Cross multiply
    7,972,458.80x = 11,958,688.20 × 3,720,930.80
  4. Step 4: Simplify right side
    7,972,458.80x = 44,497,451,250,976.55
  5. Step 5: Solve for x
    x = 44,497,451,250,976.55/7,972,458.80
  6. Step 6: Final answer
    x = 5,581,396.20

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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.