Home / 8,422,840.28-11,623,519.44-4,555,361.43

Finding the Fourth Proportional to 8,422,840.28, 11,623,519.44 and 4,555,361.43

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Solution

The fourth proportional to 8,422,840.28, 11,623,519.44 and 4,555,361.43 is: 6,286,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,840.28 : 11,623,519.44 = 4,555,361.43 : x
  2. Step 2: Convert to fraction form
    8,422,840.28/11,623,519.44 = 4,555,361.43/x
  3. Step 3: Cross multiply
    8,422,840.28x = 11,623,519.44 × 4,555,361.43
  4. Step 4: Simplify right side
    8,422,840.28x = 52,949,332,137,831.20
  5. Step 5: Solve for x
    x = 52,949,332,137,831.20/8,422,840.28
  6. Step 6: Final answer
    x = 6,286,398.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.