Home / 18,504,010.80-27,756,016.20-5,040,817.20

Finding the Fourth Proportional to 18,504,010.80, 27,756,016.20 and 5,040,817.20

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Solution

The fourth proportional to 18,504,010.80, 27,756,016.20 and 5,040,817.20 is: 7,561,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504,010.80 : 27,756,016.20 = 5,040,817.20 : x
  2. Step 2: Convert to fraction form
    18,504,010.80/27,756,016.20 = 5,040,817.20/x
  3. Step 3: Cross multiply
    18,504,010.80x = 27,756,016.20 × 5,040,817.20
  4. Step 4: Simplify right side
    18,504,010.80x = 139,913,003,864,438.64
  5. Step 5: Solve for x
    x = 139,913,003,864,438.64/18,504,010.80
  6. Step 6: Final answer
    x = 7,561,225.80

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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.