Finding the Fourth Proportional to 7,741,027.96, 10,682,892.70 and 4,256,631.92
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Solution
The fourth proportional to 7,741,027.96, 10,682,892.70 and 4,256,631.92 is: 5,874,302.78
Step by Step Solution
- Step 1: Write the proportion equation
7,741,027.96 : 10,682,892.70 = 4,256,631.92 : x - Step 2: Convert to fraction form
7,741,027.96/10,682,892.70 = 4,256,631.92/x - Step 3: Cross multiply
7,741,027.96x = 10,682,892.70 × 4,256,631.92 - Step 4: Simplify right side
7,741,027.96x = 45,473,142,064,754.98 - Step 5: Solve for x
x = 45,473,142,064,754.98/7,741,027.96 - Step 6: Final answer
x = 5,874,302.78
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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.