Finding the Fourth Proportional to 20,207,616.20, 30,321,662.70 and 8,848,176.20
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Solution
The fourth proportional to 20,207,616.20, 30,321,662.70 and 8,848,176.20 is: 13,276,747.32
Step by Step Solution
- Step 1: Write the proportion equation
20,207,616.20 : 30,321,662.70 = 8,848,176.20 : x - Step 2: Convert to fraction form
20,207,616.20/30,321,662.70 = 8,848,176.20/x - Step 3: Cross multiply
20,207,616.20x = 30,321,662.70 × 8,848,176.20 - Step 4: Simplify right side
20,207,616.20x = 268,291,414,246,567.72 - Step 5: Solve for x
x = 268,291,414,246,567.72/20,207,616.20 - Step 6: Final answer
x = 13,276,747.32
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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.