Home / 17,215,236.54-23,716,617.63-11,979,240.21

Finding the Fourth Proportional to 17,215,236.54, 23,716,617.63 and 11,979,240.21

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Solution

The fourth proportional to 17,215,236.54, 23,716,617.63 and 11,979,240.21 is: 16,503,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215,236.54 : 23,716,617.63 = 11,979,240.21 : x
  2. Step 2: Convert to fraction form
    17,215,236.54/23,716,617.63 = 11,979,240.21/x
  3. Step 3: Cross multiply
    17,215,236.54x = 23,716,617.63 × 11,979,240.21
  4. Step 4: Simplify right side
    17,215,236.54x = 284,107,059,558,490.94
  5. Step 5: Solve for x
    x = 284,107,059,558,490.94/17,215,236.54
  6. Step 6: Final answer
    x = 16,503,232.99

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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.