Home / 12,208,519.64-18,314,458.21-4,531,512.17

Finding the Fourth Proportional to 12,208,519.64, 18,314,458.21 and 4,531,512.17

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Solution

The fourth proportional to 12,208,519.64, 18,314,458.21 and 4,531,512.17 is: 6,797,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,519.64 : 18,314,458.21 = 4,531,512.17 : x
  2. Step 2: Convert to fraction form
    12,208,519.64/18,314,458.21 = 4,531,512.17/x
  3. Step 3: Cross multiply
    12,208,519.64x = 18,314,458.21 × 4,531,512.17
  4. Step 4: Simplify right side
    12,208,519.64x = 82,992,190,265,571.42
  5. Step 5: Solve for x
    x = 82,992,190,265,571.42/12,208,519.64
  6. Step 6: Final answer
    x = 6,797,891.37

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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.