Home / 21,948,846.05-30,289,408.92-12,025,770.95

Finding the Fourth Proportional to 21,948,846.05, 30,289,408.92 and 12,025,770.95

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Solution

The fourth proportional to 21,948,846.05, 30,289,408.92 and 12,025,770.95 is: 16,595,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948,846.05 : 30,289,408.92 = 12,025,770.95 : x
  2. Step 2: Convert to fraction form
    21,948,846.05/30,289,408.92 = 12,025,770.95/x
  3. Step 3: Cross multiply
    21,948,846.05x = 30,289,408.92 × 12,025,770.95
  4. Step 4: Simplify right side
    21,948,846.05x = 364,253,493,731,359.88
  5. Step 5: Solve for x
    x = 364,253,493,731,359.88/21,948,846.05
  6. Step 6: Final answer
    x = 16,595,564.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.