Finding the Fourth Proportional to 8,133,423.68, 12,199,471.32 and 2,741,957.84
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Solution
The fourth proportional to 8,133,423.68, 12,199,471.32 and 2,741,957.84 is: 4,112,712.84
Step by Step Solution
- Step 1: Write the proportion equation
8,133,423.68 : 12,199,471.32 = 2,741,957.84 : x - Step 2: Convert to fraction form
8,133,423.68/12,199,471.32 = 2,741,957.84/x - Step 3: Cross multiply
8,133,423.68x = 12,199,471.32 × 2,741,957.84 - Step 4: Simplify right side
8,133,423.68x = 33,450,436,029,729.15 - Step 5: Solve for x
x = 33,450,436,029,729.15/8,133,423.68 - Step 6: Final answer
x = 4,112,712.84
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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.