Finding the Fourth Proportional to 7,567,826.79, 11,353,234.09 and 2,775,557.57
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Solution
The fourth proportional to 7,567,826.79, 11,353,234.09 and 2,775,557.57 is: 4,163,884.26
Step by Step Solution
- Step 1: Write the proportion equation
7,567,826.79 : 11,353,234.09 = 2,775,557.57 : x - Step 2: Convert to fraction form
7,567,826.79/11,353,234.09 = 2,775,557.57/x - Step 3: Cross multiply
7,567,826.79x = 11,353,234.09 × 2,775,557.57 - Step 4: Simplify right side
7,567,826.79x = 31,511,554,822,481.56 - Step 5: Solve for x
x = 31,511,554,822,481.56/7,567,826.79 - Step 6: Final answer
x = 4,163,884.26
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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.