Finding the Fourth Proportional to 8,161,772.20, 12,243,119.10 and 2,482,181.80
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Solution
The fourth proportional to 8,161,772.20, 12,243,119.10 and 2,482,181.80 is: 3,723,412.84
Step by Step Solution
- Step 1: Write the proportion equation
8,161,772.20 : 12,243,119.10 = 2,482,181.80 : x - Step 2: Convert to fraction form
8,161,772.20/12,243,119.10 = 2,482,181.80/x - Step 3: Cross multiply
8,161,772.20x = 12,243,119.10 × 2,482,181.80 - Step 4: Simplify right side
8,161,772.20x = 30,389,647,405,252.38 - Step 5: Solve for x
x = 30,389,647,405,252.38/8,161,772.20 - Step 6: Final answer
x = 3,723,412.84
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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.