Home / 11,945,029.18-16,485,542.46-6,789,165.74

Finding the Fourth Proportional to 11,945,029.18, 16,485,542.46 and 6,789,165.74

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Solution

The fourth proportional to 11,945,029.18, 16,485,542.46 and 6,789,165.74 is: 9,369,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945,029.18 : 16,485,542.46 = 6,789,165.74 : x
  2. Step 2: Convert to fraction form
    11,945,029.18/16,485,542.46 = 6,789,165.74/x
  3. Step 3: Cross multiply
    11,945,029.18x = 16,485,542.46 × 6,789,165.74
  4. Step 4: Simplify right side
    11,945,029.18x = 111,923,080,115,961.17
  5. Step 5: Solve for x
    x = 111,923,080,115,961.17/11,945,029.18
  6. Step 6: Final answer
    x = 9,369,845.69

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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.