Home / 11,945,032.20-16,485,546.60-6,789,168.77

Finding the Fourth Proportional to 11,945,032.20, 16,485,546.60 and 6,789,168.77

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Solution

The fourth proportional to 11,945,032.20, 16,485,546.60 and 6,789,168.77 is: 9,369,849.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945,032.20 : 16,485,546.60 = 6,789,168.77 : x
  2. Step 2: Convert to fraction form
    11,945,032.20/16,485,546.60 = 6,789,168.77/x
  3. Step 3: Cross multiply
    11,945,032.20x = 16,485,546.60 × 6,789,168.77
  4. Step 4: Simplify right side
    11,945,032.20x = 111,923,158,050,671.94
  5. Step 5: Solve for x
    x = 111,923,158,050,671.94/11,945,032.20
  6. Step 6: Final answer
    x = 9,369,849.84

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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.