Finding the Fourth Proportional to 8,102,908.26, 11,180,770.98 and 4,664,484.72
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Solution
The fourth proportional to 8,102,908.26, 11,180,770.98 and 4,664,484.72 is: 6,436,273.71
Step by Step Solution
- Step 1: Write the proportion equation
8,102,908.26 : 11,180,770.98 = 4,664,484.72 : x - Step 2: Convert to fraction form
8,102,908.26/11,180,770.98 = 4,664,484.72/x - Step 3: Cross multiply
8,102,908.26x = 11,180,770.98 × 4,664,484.72 - Step 4: Simplify right side
8,102,908.26x = 52,152,535,394,029.42 - Step 5: Solve for x
x = 52,152,535,394,029.42/8,102,908.26 - Step 6: Final answer
x = 6,436,273.71
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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.