Finding the Fourth Proportional to 8,320,010.73, 11,481,672.42 and 4,649,082.09
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Solution
The fourth proportional to 8,320,010.73, 11,481,672.42 and 4,649,082.09 is: 6,415,765.48
Step by Step Solution
- Step 1: Write the proportion equation
8,320,010.73 : 11,481,672.42 = 4,649,082.09 : x - Step 2: Convert to fraction form
8,320,010.73/11,481,672.42 = 4,649,082.09/x - Step 3: Cross multiply
8,320,010.73x = 11,481,672.42 × 4,649,082.09 - Step 4: Simplify right side
8,320,010.73x = 53,379,237,611,068.95 - Step 5: Solve for x
x = 53,379,237,611,068.95/8,320,010.73 - Step 6: Final answer
x = 6,415,765.48
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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.