Finding the Fourth Proportional to 8,323,812.80, 12,486,550.80 and 2,258,640.80
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Solution
The fourth proportional to 8,323,812.80, 12,486,550.80 and 2,258,640.80 is: 3,388,186.85
Step by Step Solution
- Step 1: Write the proportion equation
8,323,812.80 : 12,486,550.80 = 2,258,640.80 : x - Step 2: Convert to fraction form
8,323,812.80/12,486,550.80 = 2,258,640.80/x - Step 3: Cross multiply
8,323,812.80x = 12,486,550.80 × 2,258,640.80 - Step 4: Simplify right side
8,323,812.80x = 28,202,633,088,152.64 - Step 5: Solve for x
x = 28,202,633,088,152.64/8,323,812.80 - Step 6: Final answer
x = 3,388,186.85
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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.