Home / 13,625,219.52-20,414,693.79-8,222,519.07

Finding the Fourth Proportional to 13,625,219.52, 20,414,693.79 and 8,222,519.07

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Solution

The fourth proportional to 13,625,219.52, 20,414,693.79 and 8,222,519.07 is: 12,319,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625,219.52 : 20,414,693.79 = 8,222,519.07 : x
  2. Step 2: Convert to fraction form
    13,625,219.52/20,414,693.79 = 8,222,519.07/x
  3. Step 3: Cross multiply
    13,625,219.52x = 20,414,693.79 × 8,222,519.07
  4. Step 4: Simplify right side
    13,625,219.52x = 167,860,208,996,485.56
  5. Step 5: Solve for x
    x = 167,860,208,996,485.56/13,625,219.52
  6. Step 6: Final answer
    x = 12,319,816.85

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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.