Home / 12,101,863.38-16,700,571.12-6,669,355.38

Finding the Fourth Proportional to 12,101,863.38, 16,700,571.12 and 6,669,355.38

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Solution

The fourth proportional to 12,101,863.38, 16,700,571.12 and 6,669,355.38 is: 9,203,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,863.38 : 16,700,571.12 = 6,669,355.38 : x
  2. Step 2: Convert to fraction form
    12,101,863.38/16,700,571.12 = 6,669,355.38/x
  3. Step 3: Cross multiply
    12,101,863.38x = 16,700,571.12 × 6,669,355.38
  4. Step 4: Simplify right side
    12,101,863.38x = 111,382,043,848,244.62
  5. Step 5: Solve for x
    x = 111,382,043,848,244.62/12,101,863.38
  6. Step 6: Final answer
    x = 9,203,710.23

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Double scale
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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.