Home / 7,447,921.80-11,171,882.70-2,661,016.20

Finding the Fourth Proportional to 7,447,921.80, 11,171,882.70 and 2,661,016.20

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Solution

The fourth proportional to 7,447,921.80, 11,171,882.70 and 2,661,016.20 is: 3,991,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,921.80 : 11,171,882.70 = 2,661,016.20 : x
  2. Step 2: Convert to fraction form
    7,447,921.80/11,171,882.70 = 2,661,016.20/x
  3. Step 3: Cross multiply
    7,447,921.80x = 11,171,882.70 × 2,661,016.20
  4. Step 4: Simplify right side
    7,447,921.80x = 29,728,560,849,199.74
  5. Step 5: Solve for x
    x = 29,728,560,849,199.74/7,447,921.80
  6. Step 6: Final answer
    x = 3,991,524.30

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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.