Finding the Fourth Proportional to 8,777,213.44, 12,107,676.96 and 5,105,716.96
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Solution
The fourth proportional to 8,777,213.44, 12,107,676.96 and 5,105,716.96 is: 7,043,052.11
Step by Step Solution
- Step 1: Write the proportion equation
8,777,213.44 : 12,107,676.96 = 5,105,716.96 : x - Step 2: Convert to fraction form
8,777,213.44/12,107,676.96 = 5,105,716.96/x - Step 3: Cross multiply
8,777,213.44x = 12,107,676.96 × 5,105,716.96 - Step 4: Simplify right side
8,777,213.44x = 61,818,371,600,873.24 - Step 5: Solve for x
x = 61,818,371,600,873.24/8,777,213.44 - Step 6: Final answer
x = 7,043,052.11
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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.