Finding the Fourth Proportional to 16,629,375.38, 22,781,863.26 and 16,007,653.80
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Solution
The fourth proportional to 16,629,375.38, 22,781,863.26 and 16,007,653.80 is: 21,930,118.95
Step by Step Solution
- Step 1: Write the proportion equation
16,629,375.38 : 22,781,863.26 = 16,007,653.80 : x - Step 2: Convert to fraction form
16,629,375.38/22,781,863.26 = 16,007,653.80/x - Step 3: Cross multiply
16,629,375.38x = 22,781,863.26 × 16,007,653.80 - Step 4: Simplify right side
16,629,375.38x = 364,684,179,985,019.44 - Step 5: Solve for x
x = 364,684,179,985,019.44/16,629,375.38 - Step 6: Final answer
x = 21,930,118.95
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.