Finding the Fourth Proportional to 8,476,136.15, 11,696,745.38 and 4,608,660.53
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Solution
The fourth proportional to 8,476,136.15, 11,696,745.38 and 4,608,660.53 is: 6,359,776.17
Step by Step Solution
- Step 1: Write the proportion equation
8,476,136.15 : 11,696,745.38 = 4,608,660.53 : x - Step 2: Convert to fraction form
8,476,136.15/11,696,745.38 = 4,608,660.53/x - Step 3: Cross multiply
8,476,136.15x = 11,696,745.38 × 4,608,660.53 - Step 4: Simplify right side
8,476,136.15x = 53,906,328,680,738.83 - Step 5: Solve for x
x = 53,906,328,680,738.83/8,476,136.15 - Step 6: Final answer
x = 6,359,776.17
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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.