Home / 12,191,912.84-18,275,067.54-4,102,080.09

Finding the Fourth Proportional to 12,191,912.84, 18,275,067.54 and 4,102,080.09

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Solution

The fourth proportional to 12,191,912.84, 18,275,067.54 and 4,102,080.09 is: 6,148,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191,912.84 : 18,275,067.54 = 4,102,080.09 : x
  2. Step 2: Convert to fraction form
    12,191,912.84/18,275,067.54 = 4,102,080.09/x
  3. Step 3: Cross multiply
    12,191,912.84x = 18,275,067.54 × 4,102,080.09
  4. Step 4: Simplify right side
    12,191,912.84x = 74,965,790,699,239.27
  5. Step 5: Solve for x
    x = 74,965,790,699,239.27/12,191,912.84
  6. Step 6: Final answer
    x = 6,148,812.88

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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.