Finding the Fourth Proportional to 16,122,917.67, 22,251,197.66 and 12,041,450.79
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Solution
The fourth proportional to 16,122,917.67, 22,251,197.66 and 12,041,450.79 is: 16,618,375.60
Step by Step Solution
- Step 1: Write the proportion equation
16,122,917.67 : 22,251,197.66 = 12,041,450.79 : x - Step 2: Convert to fraction form
16,122,917.67/22,251,197.66 = 12,041,450.79/x - Step 3: Cross multiply
16,122,917.67x = 22,251,197.66 × 12,041,450.79 - Step 4: Simplify right side
16,122,917.67x = 267,936,701,641,453.12 - Step 5: Solve for x
x = 267,936,701,641,453.12/16,122,917.67 - Step 6: Final answer
x = 16,618,375.60
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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.