Finding the Fourth Proportional to 8,246,629.14, 12,366,979.92 and 2,853,815.46
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Solution
The fourth proportional to 8,246,629.14, 12,366,979.92 and 2,853,815.46 is: 4,279,697.55
Step by Step Solution
- Step 1: Write the proportion equation
8,246,629.14 : 12,366,979.92 = 2,853,815.46 : x - Step 2: Convert to fraction form
8,246,629.14/12,366,979.92 = 2,853,815.46/x - Step 3: Cross multiply
8,246,629.14x = 12,366,979.92 × 2,853,815.46 - Step 4: Simplify right side
8,246,629.14x = 35,293,078,489,205.56 - Step 5: Solve for x
x = 35,293,078,489,205.56/8,246,629.14 - Step 6: Final answer
x = 4,279,697.55
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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.