Finding the Fourth Proportional to 8,207,838.48, 12,311,760.96 and 2,142,553.44
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Solution
The fourth proportional to 8,207,838.48, 12,311,760.96 and 2,142,553.44 is: 3,213,831.01
Step by Step Solution
- Step 1: Write the proportion equation
8,207,838.48 : 12,311,760.96 = 2,142,553.44 : x - Step 2: Convert to fraction form
8,207,838.48/12,311,760.96 = 2,142,553.44/x - Step 3: Cross multiply
8,207,838.48x = 12,311,760.96 × 2,142,553.44 - Step 4: Simplify right side
8,207,838.48x = 26,378,605,797,305.70 - Step 5: Solve for x
x = 26,378,605,797,305.70/8,207,838.48 - Step 6: Final answer
x = 3,213,831.01
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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.