Finding the Fourth Proportional to 8,318,564.62, 11,479,407.69 and 4,647,508.75
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Solution
The fourth proportional to 8,318,564.62, 11,479,407.69 and 4,647,508.75 is: 6,413,443.92
Step by Step Solution
- Step 1: Write the proportion equation
8,318,564.62 : 11,479,407.69 = 4,647,508.75 : x - Step 2: Convert to fraction form
8,318,564.62/11,479,407.69 = 4,647,508.75/x - Step 3: Cross multiply
8,318,564.62x = 11,479,407.69 × 4,647,508.75 - Step 4: Simplify right side
8,318,564.62x = 53,350,647,684,092.28 - Step 5: Solve for x
x = 53,350,647,684,092.28/8,318,564.62 - Step 6: Final answer
x = 6,413,443.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.