Finding the Fourth Proportional to 8,117,530.48, 12,176,864.13 and 3,259,836.75
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Solution
The fourth proportional to 8,117,530.48, 12,176,864.13 and 3,259,836.75 is: 4,889,983.39
Step by Step Solution
- Step 1: Write the proportion equation
8,117,530.48 : 12,176,864.13 = 3,259,836.75 : x - Step 2: Convert to fraction form
8,117,530.48/12,176,864.13 = 3,259,836.75/x - Step 3: Cross multiply
8,117,530.48x = 12,176,864.13 × 3,259,836.75 - Step 4: Simplify right side
8,117,530.48x = 39,694,589,190,730.78 - Step 5: Solve for x
x = 39,694,589,190,730.78/8,117,530.48 - Step 6: Final answer
x = 4,889,983.39
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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.