Finding the Fourth Proportional to 8,160,766.63, 11,261,857.68 and 4,489,604.24
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Solution
The fourth proportional to 8,160,766.63, 11,261,857.68 and 4,489,604.24 is: 6,195,653.70
Step by Step Solution
- Step 1: Write the proportion equation
8,160,766.63 : 11,261,857.68 = 4,489,604.24 : x - Step 2: Convert to fraction form
8,160,766.63/11,261,857.68 = 4,489,604.24/x - Step 3: Cross multiply
8,160,766.63x = 11,261,857.68 × 4,489,604.24 - Step 4: Simplify right side
8,160,766.63x = 50,561,283,934,095.27 - Step 5: Solve for x
x = 50,561,283,934,095.27/8,160,766.63 - Step 6: Final answer
x = 6,195,653.70
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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.