Finding the Fourth Proportional to 8,112,126.18, 11,192,944.50 and 4,802,777.17
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Solution
The fourth proportional to 8,112,126.18, 11,192,944.50 and 4,802,777.17 is: 6,626,772.95
Step by Step Solution
- Step 1: Write the proportion equation
8,112,126.18 : 11,192,944.50 = 4,802,777.17 : x - Step 2: Convert to fraction form
8,112,126.18/11,192,944.50 = 4,802,777.17/x - Step 3: Cross multiply
8,112,126.18x = 11,192,944.50 × 4,802,777.17 - Step 4: Simplify right side
8,112,126.18x = 53,757,218,309,677.06 - Step 5: Solve for x
x = 53,757,218,309,677.06/8,112,126.18 - Step 6: Final answer
x = 6,626,772.95
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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.