Home / 18,469,619.30-27,680,269.35-9,931,571.30

Finding the Fourth Proportional to 18,469,619.30, 27,680,269.35 and 9,931,571.30

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Solution

The fourth proportional to 18,469,619.30, 27,680,269.35 and 9,931,571.30 is: 14,884,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469,619.30 : 27,680,269.35 = 9,931,571.30 : x
  2. Step 2: Convert to fraction form
    18,469,619.30/27,680,269.35 = 9,931,571.30/x
  3. Step 3: Cross multiply
    18,469,619.30x = 27,680,269.35 × 9,931,571.30
  4. Step 4: Simplify right side
    18,469,619.30x = 274,908,568,652,729.69
  5. Step 5: Solve for x
    x = 274,908,568,652,729.69/18,469,619.30
  6. Step 6: Final answer
    x = 14,884,365.74

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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.