Home / 20,229,811.03-27,917,127.12-11,062,453.78

Finding the Fourth Proportional to 20,229,811.03, 27,917,127.12 and 11,062,453.78

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Solution

The fourth proportional to 20,229,811.03, 27,917,127.12 and 11,062,453.78 is: 15,266,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,811.03 : 27,917,127.12 = 11,062,453.78 : x
  2. Step 2: Convert to fraction form
    20,229,811.03/27,917,127.12 = 11,062,453.78/x
  3. Step 3: Cross multiply
    20,229,811.03x = 27,917,127.12 × 11,062,453.78
  4. Step 4: Simplify right side
    20,229,811.03x = 308,831,928,435,384.50
  5. Step 5: Solve for x
    x = 308,831,928,435,384.50/20,229,811.03
  6. Step 6: Final answer
    x = 15,266,179.60

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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.