Home / 12,135,635.87-16,747,234.52-6,629,086.98

Finding the Fourth Proportional to 12,135,635.87, 16,747,234.52 and 6,629,086.98

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Solution

The fourth proportional to 12,135,635.87, 16,747,234.52 and 6,629,086.98 is: 9,148,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135,635.87 : 16,747,234.52 = 6,629,086.98 : x
  2. Step 2: Convert to fraction form
    12,135,635.87/16,747,234.52 = 6,629,086.98/x
  3. Step 3: Cross multiply
    12,135,635.87x = 16,747,234.52 × 6,629,086.98
  4. Step 4: Simplify right side
    12,135,635.87x = 111,018,874,274,393.12
  5. Step 5: Solve for x
    x = 111,018,874,274,393.12/12,135,635.87
  6. Step 6: Final answer
    x = 9,148,171.18

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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.