Home / 18,011,322.20-27,022,034.19-7,236,189.47

Finding the Fourth Proportional to 18,011,322.20, 27,022,034.19 and 7,236,189.47

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Solution

The fourth proportional to 18,011,322.20, 27,022,034.19 and 7,236,189.47 is: 10,856,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011,322.20 : 27,022,034.19 = 7,236,189.47 : x
  2. Step 2: Convert to fraction form
    18,011,322.20/27,022,034.19 = 7,236,189.47/x
  3. Step 3: Cross multiply
    18,011,322.20x = 27,022,034.19 × 7,236,189.47
  4. Step 4: Simplify right side
    18,011,322.20x = 195,536,559,263,657.97
  5. Step 5: Solve for x
    x = 195,536,559,263,657.97/18,011,322.20
  6. Step 6: Final answer
    x = 10,856,313.44

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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.