Finding the Fourth Proportional to 8,251,583.48, 12,374,571.92 and 2,858,975.18
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Solution
The fourth proportional to 8,251,583.48, 12,374,571.92 and 2,858,975.18 is: 4,287,491.49
Step by Step Solution
- Step 1: Write the proportion equation
8,251,583.48 : 12,374,571.92 = 2,858,975.18 : x - Step 2: Convert to fraction form
8,251,583.48/12,374,571.92 = 2,858,975.18/x - Step 3: Cross multiply
8,251,583.48x = 12,374,571.92 × 2,858,975.18 - Step 4: Simplify right side
8,251,583.48x = 35,378,593,982,404.95 - Step 5: Solve for x
x = 35,378,593,982,404.95/8,251,583.48 - Step 6: Final answer
x = 4,287,491.49
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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.