Home / 13,624,940.88-20,414,275.83-8,222,238.72

Finding the Fourth Proportional to 13,624,940.88, 20,414,275.83 and 8,222,238.72

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Solution

The fourth proportional to 13,624,940.88, 20,414,275.83 and 8,222,238.72 is: 12,319,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624,940.88 : 20,414,275.83 = 8,222,238.72 : x
  2. Step 2: Convert to fraction form
    13,624,940.88/20,414,275.83 = 8,222,238.72/x
  3. Step 3: Cross multiply
    13,624,940.88x = 20,414,275.83 × 8,222,238.72
  4. Step 4: Simplify right side
    13,624,940.88x = 167,851,049,170,186.12
  5. Step 5: Solve for x
    x = 167,851,049,170,186.12/13,624,940.88
  6. Step 6: Final answer
    x = 12,319,396.51

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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.