Home / 12,169,490.75-16,793,231.90-6,661,800.14

Finding the Fourth Proportional to 12,169,490.75, 16,793,231.90 and 6,661,800.14

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Solution

The fourth proportional to 12,169,490.75, 16,793,231.90 and 6,661,800.14 is: 9,192,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169,490.75 : 16,793,231.90 = 6,661,800.14 : x
  2. Step 2: Convert to fraction form
    12,169,490.75/16,793,231.90 = 6,661,800.14/x
  3. Step 3: Cross multiply
    12,169,490.75x = 16,793,231.90 × 6,661,800.14
  4. Step 4: Simplify right side
    12,169,490.75x = 111,873,154,505,197.30
  5. Step 5: Solve for x
    x = 111,873,154,505,197.30/12,169,490.75
  6. Step 6: Final answer
    x = 9,192,919.97

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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.