Home / 14,042,408.70-21,039,993.45-12,011,123.10

Finding the Fourth Proportional to 14,042,408.70, 21,039,993.45 and 12,011,123.10

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Solution

The fourth proportional to 14,042,408.70, 21,039,993.45 and 12,011,123.10 is: 17,996,481.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042,408.70 : 21,039,993.45 = 12,011,123.10 : x
  2. Step 2: Convert to fraction form
    14,042,408.70/21,039,993.45 = 12,011,123.10/x
  3. Step 3: Cross multiply
    14,042,408.70x = 21,039,993.45 × 12,011,123.10
  4. Step 4: Simplify right side
    14,042,408.70x = 252,713,951,351,143.69
  5. Step 5: Solve for x
    x = 252,713,951,351,143.69/14,042,408.70
  6. Step 6: Final answer
    x = 17,996,481.71

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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.