Finding the Fourth Proportional to 16,128,613.60, 24,192,920.40 and 6,548,581.60
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Solution
The fourth proportional to 16,128,613.60, 24,192,920.40 and 6,548,581.60 is: 9,822,872.40
Step by Step Solution
- Step 1: Write the proportion equation
16,128,613.60 : 24,192,920.40 = 6,548,581.60 : x - Step 2: Convert to fraction form
16,128,613.60/24,192,920.40 = 6,548,581.60/x - Step 3: Cross multiply
16,128,613.60x = 24,192,920.40 × 6,548,581.60 - Step 4: Simplify right side
16,128,613.60x = 158,429,313,381,704.62 - Step 5: Solve for x
x = 158,429,313,381,704.62/16,128,613.60 - Step 6: Final answer
x = 9,822,872.40
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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.