Home / 12,097,202.20-18,145,803.30-8,695,979.80

Finding the Fourth Proportional to 12,097,202.20, 18,145,803.30 and 8,695,979.80

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Solution

The fourth proportional to 12,097,202.20, 18,145,803.30 and 8,695,979.80 is: 13,043,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,202.20 : 18,145,803.30 = 8,695,979.80 : x
  2. Step 2: Convert to fraction form
    12,097,202.20/18,145,803.30 = 8,695,979.80/x
  3. Step 3: Cross multiply
    12,097,202.20x = 18,145,803.30 × 8,695,979.80
  4. Step 4: Simplify right side
    12,097,202.20x = 157,795,538,951,573.38
  5. Step 5: Solve for x
    x = 157,795,538,951,573.38/12,097,202.20
  6. Step 6: Final answer
    x = 13,043,969.70

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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.