Home / 7,342,151.20-10,989,643.77-3,921,885.43

Finding the Fourth Proportional to 7,342,151.20, 10,989,643.77 and 3,921,885.43

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Solution

The fourth proportional to 7,342,151.20, 10,989,643.77 and 3,921,885.43 is: 5,870,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342,151.20 : 10,989,643.77 = 3,921,885.43 : x
  2. Step 2: Convert to fraction form
    7,342,151.20/10,989,643.77 = 3,921,885.43/x
  3. Step 3: Cross multiply
    7,342,151.20x = 10,989,643.77 × 3,921,885.43
  4. Step 4: Simplify right side
    7,342,151.20x = 43,100,123,782,453.27
  5. Step 5: Solve for x
    x = 43,100,123,782,453.27/7,342,151.20
  6. Step 6: Final answer
    x = 5,870,231.03

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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.