Finding the Fourth Proportional to 11,442,863.80, 17,192,289.30 and 8,608,511.80
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Solution
The fourth proportional to 11,442,863.80, 17,192,289.30 and 8,608,511.80 is: 12,933,827.40
Step by Step Solution
- Step 1: Write the proportion equation
11,442,863.80 : 17,192,289.30 = 8,608,511.80 : x - Step 2: Convert to fraction form
11,442,863.80/17,192,289.30 = 8,608,511.80/x - Step 3: Cross multiply
11,442,863.80x = 17,192,289.30 × 8,608,511.80 - Step 4: Simplify right side
11,442,863.80x = 148,000,025,308,063.75 - Step 5: Solve for x
x = 148,000,025,308,063.75/11,442,863.80 - Step 6: Final answer
x = 12,933,827.40
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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.