Finding the Fourth Proportional to 22,374,716.62, 30,876,798.86 and 12,585,167.44
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Solution
The fourth proportional to 22,374,716.62, 30,876,798.86 and 12,585,167.44 is: 17,367,356.65
Step by Step Solution
- Step 1: Write the proportion equation
22,374,716.62 : 30,876,798.86 = 12,585,167.44 : x - Step 2: Convert to fraction form
22,374,716.62/30,876,798.86 = 12,585,167.44/x - Step 3: Cross multiply
22,374,716.62x = 30,876,798.86 × 12,585,167.44 - Step 4: Simplify right side
22,374,716.62x = 388,589,683,601,375.25 - Step 5: Solve for x
x = 388,589,683,601,375.25/22,374,716.62 - Step 6: Final answer
x = 17,367,356.65
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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.