Home / 20,024,231.88-30,005,433.84-13,521,824.04

Finding the Fourth Proportional to 20,024,231.88, 30,005,433.84 and 13,521,824.04

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Solution

The fourth proportional to 20,024,231.88, 30,005,433.84 and 13,521,824.04 is: 20,261,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024,231.88 : 30,005,433.84 = 13,521,824.04 : x
  2. Step 2: Convert to fraction form
    20,024,231.88/30,005,433.84 = 13,521,824.04/x
  3. Step 3: Cross multiply
    20,024,231.88x = 30,005,433.84 × 13,521,824.04
  4. Step 4: Simplify right side
    20,024,231.88x = 405,728,196,628,341.50
  5. Step 5: Solve for x
    x = 405,728,196,628,341.50/20,024,231.88
  6. Step 6: Final answer
    x = 20,261,860.68

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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.