Home / 7,821,100.43-11,716,518.28-4,398,989.44

Finding the Fourth Proportional to 7,821,100.43, 11,716,518.28 and 4,398,989.44

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Solution

The fourth proportional to 7,821,100.43, 11,716,518.28 and 4,398,989.44 is: 6,589,972.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821,100.43 : 11,716,518.28 = 4,398,989.44 : x
  2. Step 2: Convert to fraction form
    7,821,100.43/11,716,518.28 = 4,398,989.44/x
  3. Step 3: Cross multiply
    7,821,100.43x = 11,716,518.28 × 4,398,989.44
  4. Step 4: Simplify right side
    7,821,100.43x = 51,540,840,216,578.26
  5. Step 5: Solve for x
    x = 51,540,840,216,578.26/7,821,100.43
  6. Step 6: Final answer
    x = 6,589,972.94

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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.