Home / 20,105,297.56-27,745,431.24-10,938,005.92

Finding the Fourth Proportional to 20,105,297.56, 27,745,431.24 and 10,938,005.92

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Solution

The fourth proportional to 20,105,297.56, 27,745,431.24 and 10,938,005.92 is: 15,094,513.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,105,297.56 : 27,745,431.24 = 10,938,005.92 : x
  2. Step 2: Convert to fraction form
    20,105,297.56/27,745,431.24 = 10,938,005.92/x
  3. Step 3: Cross multiply
    20,105,297.56x = 27,745,431.24 × 10,938,005.92
  4. Step 4: Simplify right side
    20,105,297.56x = 303,479,691,156,072.94
  5. Step 5: Solve for x
    x = 303,479,691,156,072.94/20,105,297.56
  6. Step 6: Final answer
    x = 15,094,513.78

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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.