Home / 7,342,150.20-10,989,642.27-3,921,884.43

Finding the Fourth Proportional to 7,342,150.20, 10,989,642.27 and 3,921,884.43

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Solution

The fourth proportional to 7,342,150.20, 10,989,642.27 and 3,921,884.43 is: 5,870,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342,150.20 : 10,989,642.27 = 3,921,884.43 : x
  2. Step 2: Convert to fraction form
    7,342,150.20/10,989,642.27 = 3,921,884.43/x
  3. Step 3: Cross multiply
    7,342,150.20x = 10,989,642.27 × 3,921,884.43
  4. Step 4: Simplify right side
    7,342,150.20x = 43,100,106,909,982.86
  5. Step 5: Solve for x
    x = 43,100,106,909,982.86/7,342,150.20
  6. Step 6: Final answer
    x = 5,870,229.53

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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.