Home / 27,708,922.80-41,492,525.40-20,481,325.20

Finding the Fourth Proportional to 27,708,922.80, 41,492,525.40 and 20,481,325.20

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Solution

The fourth proportional to 27,708,922.80, 41,492,525.40 and 20,481,325.20 is: 30,669,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708,922.80 : 41,492,525.40 = 20,481,325.20 : x
  2. Step 2: Convert to fraction form
    27,708,922.80/41,492,525.40 = 20,481,325.20/x
  3. Step 3: Cross multiply
    27,708,922.80x = 41,492,525.40 × 20,481,325.20
  4. Step 4: Simplify right side
    27,708,922.80x = 849,821,906,086,660
  5. Step 5: Solve for x
    x = 849,821,906,086,660/27,708,922.80
  6. Step 6: Final answer
    x = 30,669,611.81

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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.