Finding the Fourth Proportional to 8,762,514.49, 12,092,734.26 and 5,278,949.87
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Solution
The fourth proportional to 8,762,514.49, 12,092,734.26 and 5,278,949.87 is: 7,285,230.52
Step by Step Solution
- Step 1: Write the proportion equation
8,762,514.49 : 12,092,734.26 = 5,278,949.87 : x - Step 2: Convert to fraction form
8,762,514.49/12,092,734.26 = 5,278,949.87/x - Step 3: Cross multiply
8,762,514.49x = 12,092,734.26 × 5,278,949.87 - Step 4: Simplify right side
8,762,514.49x = 63,836,937,923,376.80 - Step 5: Solve for x
x = 63,836,937,923,376.80/8,762,514.49 - Step 6: Final answer
x = 7,285,230.52
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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.