Home / 19,198,246.20-28,797,369.30-12,741,238.05

Finding the Fourth Proportional to 19,198,246.20, 28,797,369.30 and 12,741,238.05

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Solution

The fourth proportional to 19,198,246.20, 28,797,369.30 and 12,741,238.05 is: 19,111,857.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198,246.20 : 28,797,369.30 = 12,741,238.05 : x
  2. Step 2: Convert to fraction form
    19,198,246.20/28,797,369.30 = 12,741,238.05/x
  3. Step 3: Cross multiply
    19,198,246.20x = 28,797,369.30 × 12,741,238.05
  4. Step 4: Simplify right side
    19,198,246.20x = 366,914,137,465,061.88
  5. Step 5: Solve for x
    x = 366,914,137,465,061.88/19,198,246.20
  6. Step 6: Final answer
    x = 19,111,857.08

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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.