Home / 12,143,000-18,209,087.68-3,505,046.80

Finding the Fourth Proportional to 12,143,000, 18,209,087.68 and 3,505,046.80

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Solution

The fourth proportional to 12,143,000, 18,209,087.68 and 3,505,046.80 is: 5,256,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,143,000 : 18,209,087.68 = 3,505,046.80 : x
  2. Step 2: Convert to fraction form
    12,143,000/18,209,087.68 = 3,505,046.80/x
  3. Step 3: Cross multiply
    12,143,000x = 18,209,087.68 × 3,505,046.80
  4. Step 4: Simplify right side
    12,143,000x = 63,823,704,503,703.42
  5. Step 5: Solve for x
    x = 63,823,704,503,703.42/12,143,000
  6. Step 6: Final answer
    x = 5,256,007.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.