Finding the Fourth Proportional to 11,310,397.40, 16,965,596.10 and 5,916,963.80
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Solution
The fourth proportional to 11,310,397.40, 16,965,596.10 and 5,916,963.80 is: 8,875,445.70
Step by Step Solution
- Step 1: Write the proportion equation
11,310,397.40 : 16,965,596.10 = 5,916,963.80 : x - Step 2: Convert to fraction form
11,310,397.40/16,965,596.10 = 5,916,963.80/x - Step 3: Cross multiply
11,310,397.40x = 16,965,596.10 × 5,916,963.80 - Step 4: Simplify right side
11,310,397.40x = 100,384,817,969,121.19 - Step 5: Solve for x
x = 100,384,817,969,121.19/11,310,397.40 - Step 6: Final answer
x = 8,875,445.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.