Home / 21,469,538-29,627,962.44-11,811,538.64

Finding the Fourth Proportional to 21,469,538, 29,627,962.44 and 11,811,538.64

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Solution

The fourth proportional to 21,469,538, 29,627,962.44 and 11,811,538.64 is: 16,299,923.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469,538 : 29,627,962.44 = 11,811,538.64 : x
  2. Step 2: Convert to fraction form
    21,469,538/29,627,962.44 = 11,811,538.64/x
  3. Step 3: Cross multiply
    21,469,538x = 29,627,962.44 × 11,811,538.64
  4. Step 4: Simplify right side
    21,469,538x = 349,951,823,184,528.69
  5. Step 5: Solve for x
    x = 349,951,823,184,528.69/21,469,538
  6. Step 6: Final answer
    x = 16,299,923.32

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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.