Home / 12,097,979.97-16,701,382.53-8,198,337.54

Finding the Fourth Proportional to 12,097,979.97, 16,701,382.53 and 8,198,337.54

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Solution

The fourth proportional to 12,097,979.97, 16,701,382.53 and 8,198,337.54 is: 11,317,887.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,979.97 : 16,701,382.53 = 8,198,337.54 : x
  2. Step 2: Convert to fraction form
    12,097,979.97/16,701,382.53 = 8,198,337.54/x
  3. Step 3: Cross multiply
    12,097,979.97x = 16,701,382.53 × 8,198,337.54
  4. Step 4: Simplify right side
    12,097,979.97x = 136,923,571,365,599.17
  5. Step 5: Solve for x
    x = 136,923,571,365,599.17/12,097,979.97
  6. Step 6: Final answer
    x = 11,317,887.09

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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.