Home / 27,735,940.80-41,603,911.20-12,589,872.30

Finding the Fourth Proportional to 27,735,940.80, 41,603,911.20 and 12,589,872.30

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Solution

The fourth proportional to 27,735,940.80, 41,603,911.20 and 12,589,872.30 is: 18,884,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,735,940.80 : 41,603,911.20 = 12,589,872.30 : x
  2. Step 2: Convert to fraction form
    27,735,940.80/41,603,911.20 = 12,589,872.30/x
  3. Step 3: Cross multiply
    27,735,940.80x = 41,603,911.20 × 12,589,872.30
  4. Step 4: Simplify right side
    27,735,940.80x = 523,787,929,188,539.81
  5. Step 5: Solve for x
    x = 523,787,929,188,539.81/27,735,940.80
  6. Step 6: Final answer
    x = 18,884,808.45

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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.