Finding the Fourth Proportional to 18,193,286.16, 27,246,422.52 and 10,493,589.60
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Solution
The fourth proportional to 18,193,286.16, 27,246,422.52 and 10,493,589.60 is: 15,715,290.44
Step by Step Solution
- Step 1: Write the proportion equation
18,193,286.16 : 27,246,422.52 = 10,493,589.60 : x - Step 2: Convert to fraction form
18,193,286.16/27,246,422.52 = 10,493,589.60/x - Step 3: Cross multiply
18,193,286.16x = 27,246,422.52 × 10,493,589.60 - Step 4: Simplify right side
18,193,286.16x = 285,912,775,993,077.75 - Step 5: Solve for x
x = 285,912,775,993,077.75/18,193,286.16 - Step 6: Final answer
x = 15,715,290.44
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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.