Finding the Fourth Proportional to 7,519,436.76, 11,275,655.92 and 2,726,932.44
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Solution
The fourth proportional to 7,519,436.76, 11,275,655.92 and 2,726,932.44 is: 4,089,129.66
Step by Step Solution
- Step 1: Write the proportion equation
7,519,436.76 : 11,275,655.92 = 2,726,932.44 : x - Step 2: Convert to fraction form
7,519,436.76/11,275,655.92 = 2,726,932.44/x - Step 3: Cross multiply
7,519,436.76x = 11,275,655.92 × 2,726,932.44 - Step 4: Simplify right side
7,519,436.76x = 30,747,951,910,526.04 - Step 5: Solve for x
x = 30,747,951,910,526.04/7,519,436.76 - Step 6: Final answer
x = 4,089,129.66
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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.