Home / 31,529,868.12-43,511,198.76-17,043,180.12

Finding the Fourth Proportional to 31,529,868.12, 43,511,198.76 and 17,043,180.12

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Solution

The fourth proportional to 31,529,868.12, 43,511,198.76 and 17,043,180.12 is: 23,519,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529,868.12 : 43,511,198.76 = 17,043,180.12 : x
  2. Step 2: Convert to fraction form
    31,529,868.12/43,511,198.76 = 17,043,180.12/x
  3. Step 3: Cross multiply
    31,529,868.12x = 43,511,198.76 × 17,043,180.12
  4. Step 4: Simplify right side
    31,529,868.12x = 741,569,197,703,800.62
  5. Step 5: Solve for x
    x = 741,569,197,703,800.62/31,529,868.12
  6. Step 6: Final answer
    x = 23,519,578.16

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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.