Home / 12,147,927.70-18,221,910.22-4,864,667.30

Finding the Fourth Proportional to 12,147,927.70, 18,221,910.22 and 4,864,667.30

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Solution

The fourth proportional to 12,147,927.70, 18,221,910.22 and 4,864,667.30 is: 7,297,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147,927.70 : 18,221,910.22 = 4,864,667.30 : x
  2. Step 2: Convert to fraction form
    12,147,927.70/18,221,910.22 = 4,864,667.30/x
  3. Step 3: Cross multiply
    12,147,927.70x = 18,221,910.22 × 4,864,667.30
  4. Step 4: Simplify right side
    12,147,927.70x = 88,643,530,790,769.80
  5. Step 5: Solve for x
    x = 88,643,530,790,769.80/12,147,927.70
  6. Step 6: Final answer
    x = 7,297,008.43

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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.