Home / 14,339,724.72-21,489,029.64-11,469,770.76

Finding the Fourth Proportional to 14,339,724.72, 21,489,029.64 and 11,469,770.76

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Solution

The fourth proportional to 14,339,724.72, 21,489,029.64 and 11,469,770.76 is: 17,188,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,724.72 : 21,489,029.64 = 11,469,770.76 : x
  2. Step 2: Convert to fraction form
    14,339,724.72/21,489,029.64 = 11,469,770.76/x
  3. Step 3: Cross multiply
    14,339,724.72x = 21,489,029.64 × 11,469,770.76
  4. Step 4: Simplify right side
    14,339,724.72x = 246,474,243,825,645.34
  5. Step 5: Solve for x
    x = 246,474,243,825,645.34/14,339,724.72
  6. Step 6: Final answer
    x = 17,188,213.07

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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.