Finding the Fourth Proportional to 18,252,420, 27,405,544.68 and 10,181,165.28
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Solution
The fourth proportional to 18,252,420, 27,405,544.68 and 10,181,165.28 is: 15,286,760.88
Step by Step Solution
- Step 1: Write the proportion equation
18,252,420 : 27,405,544.68 = 10,181,165.28 : x - Step 2: Convert to fraction form
18,252,420/27,405,544.68 = 10,181,165.28/x - Step 3: Cross multiply
18,252,420x = 27,405,544.68 × 10,181,165.28 - Step 4: Simplify right side
18,252,420x = 279,020,379,975,504.69 - Step 5: Solve for x
x = 279,020,379,975,504.69/18,252,420 - Step 6: Final answer
x = 15,286,760.88
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1.5x scale
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.