Home / 7,100,221.62-10,639,493.94-4,215,908.41

Finding the Fourth Proportional to 7,100,221.62, 10,639,493.94 and 4,215,908.41

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Solution

The fourth proportional to 7,100,221.62, 10,639,493.94 and 4,215,908.41 is: 6,317,427.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100,221.62 : 10,639,493.94 = 4,215,908.41 : x
  2. Step 2: Convert to fraction form
    7,100,221.62/10,639,493.94 = 4,215,908.41/x
  3. Step 3: Cross multiply
    7,100,221.62x = 10,639,493.94 × 4,215,908.41
  4. Step 4: Simplify right side
    7,100,221.62x = 44,855,131,979,790.03
  5. Step 5: Solve for x
    x = 44,855,131,979,790.03/7,100,221.62
  6. Step 6: Final answer
    x = 6,317,427.03

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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.