Finding the Fourth Proportional to 7,772,531.12, 10,726,230.84 and 4,334,402.96
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Solution
The fourth proportional to 7,772,531.12, 10,726,230.84 and 4,334,402.96 is: 5,981,552.98
Step by Step Solution
- Step 1: Write the proportion equation
7,772,531.12 : 10,726,230.84 = 4,334,402.96 : x - Step 2: Convert to fraction form
7,772,531.12/10,726,230.84 = 4,334,402.96/x - Step 3: Cross multiply
7,772,531.12x = 10,726,230.84 × 4,334,402.96 - Step 4: Simplify right side
7,772,531.12x = 46,491,806,702,539.29 - Step 5: Solve for x
x = 46,491,806,702,539.29/7,772,531.12 - Step 6: Final answer
x = 5,981,552.98
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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.