Home / 15,618,286.03-21,538,093.03-12,179,272.27

Finding the Fourth Proportional to 15,618,286.03, 21,538,093.03 and 12,179,272.27

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Solution

The fourth proportional to 15,618,286.03, 21,538,093.03 and 12,179,272.27 is: 16,795,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618,286.03 : 21,538,093.03 = 12,179,272.27 : x
  2. Step 2: Convert to fraction form
    15,618,286.03/21,538,093.03 = 12,179,272.27/x
  3. Step 3: Cross multiply
    15,618,286.03x = 21,538,093.03 × 12,179,272.27
  4. Step 4: Simplify right side
    15,618,286.03x = 262,318,299,188,959.28
  5. Step 5: Solve for x
    x = 262,318,299,188,959.28/15,618,286.03
  6. Step 6: Final answer
    x = 16,795,588.11

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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.