Home / 18,321,334.48-27,489,609.24-9,218,571.76

Finding the Fourth Proportional to 18,321,334.48, 27,489,609.24 and 9,218,571.76

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Solution

The fourth proportional to 18,321,334.48, 27,489,609.24 and 9,218,571.76 is: 13,831,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,334.48 : 27,489,609.24 = 9,218,571.76 : x
  2. Step 2: Convert to fraction form
    18,321,334.48/27,489,609.24 = 9,218,571.76/x
  3. Step 3: Cross multiply
    18,321,334.48x = 27,489,609.24 × 9,218,571.76
  4. Step 4: Simplify right side
    18,321,334.48x = 253,414,935,433,299.03
  5. Step 5: Solve for x
    x = 253,414,935,433,299.03/18,321,334.48
  6. Step 6: Final answer
    x = 13,831,685.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.