Home / 12,234,372.87-16,883,868.83-6,728,166.38

Finding the Fourth Proportional to 12,234,372.87, 16,883,868.83 and 6,728,166.38

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Solution

The fourth proportional to 12,234,372.87, 16,883,868.83 and 6,728,166.38 is: 9,285,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234,372.87 : 16,883,868.83 = 6,728,166.38 : x
  2. Step 2: Convert to fraction form
    12,234,372.87/16,883,868.83 = 6,728,166.38/x
  3. Step 3: Cross multiply
    12,234,372.87x = 16,883,868.83 × 6,728,166.38
  4. Step 4: Simplify right side
    12,234,372.87x = 113,597,478,634,904.78
  5. Step 5: Solve for x
    x = 113,597,478,634,904.78/12,234,372.87
  6. Step 6: Final answer
    x = 9,285,108.42

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1.5x scale

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.