Home / 18,011,320.20-27,022,031.19-7,236,187.47

Finding the Fourth Proportional to 18,011,320.20, 27,022,031.19 and 7,236,187.47

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Solution

The fourth proportional to 18,011,320.20, 27,022,031.19 and 7,236,187.47 is: 10,856,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011,320.20 : 27,022,031.19 = 7,236,187.47 : x
  2. Step 2: Convert to fraction form
    18,011,320.20/27,022,031.19 = 7,236,187.47/x
  3. Step 3: Cross multiply
    18,011,320.20x = 27,022,031.19 × 7,236,187.47
  4. Step 4: Simplify right side
    18,011,320.20x = 195,536,483,511,027.19
  5. Step 5: Solve for x
    x = 195,536,483,511,027.19/18,011,320.20
  6. Step 6: Final answer
    x = 10,856,310.44

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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.