Home / 11,998,404.36-16,557,680.21-6,491,658.38

Finding the Fourth Proportional to 11,998,404.36, 16,557,680.21 and 6,491,658.38

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Solution

The fourth proportional to 11,998,404.36, 16,557,680.21 and 6,491,658.38 is: 8,958,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998,404.36 : 16,557,680.21 = 6,491,658.38 : x
  2. Step 2: Convert to fraction form
    11,998,404.36/16,557,680.21 = 6,491,658.38/x
  3. Step 3: Cross multiply
    11,998,404.36x = 16,557,680.21 × 6,491,658.38
  4. Step 4: Simplify right side
    11,998,404.36x = 107,486,803,373,359.97
  5. Step 5: Solve for x
    x = 107,486,803,373,359.97/11,998,404.36
  6. Step 6: Final answer
    x = 8,958,424.82

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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.