Home / 13,754,360.55-20,631,540.83-12,431,662.95

Finding the Fourth Proportional to 13,754,360.55, 20,631,540.83 and 12,431,662.95

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Solution

The fourth proportional to 13,754,360.55, 20,631,540.83 and 12,431,662.95 is: 18,647,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754,360.55 : 20,631,540.83 = 12,431,662.95 : x
  2. Step 2: Convert to fraction form
    13,754,360.55/20,631,540.83 = 12,431,662.95/x
  3. Step 3: Cross multiply
    13,754,360.55x = 20,631,540.83 × 12,431,662.95
  4. Step 4: Simplify right side
    13,754,360.55x = 256,484,361,675,564.91
  5. Step 5: Solve for x
    x = 256,484,361,675,564.91/13,754,360.55
  6. Step 6: Final answer
    x = 18,647,494.43

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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.