Finding the Fourth Proportional to 18,182,548.80, 27,270,846.72 and 7,399,414.08
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Solution
The fourth proportional to 18,182,548.80, 27,270,846.72 and 7,399,414.08 is: 11,097,909.84
Step by Step Solution
- Step 1: Write the proportion equation
18,182,548.80 : 27,270,846.72 = 7,399,414.08 : x - Step 2: Convert to fraction form
18,182,548.80/27,270,846.72 = 7,399,414.08/x - Step 3: Cross multiply
18,182,548.80x = 27,270,846.72 × 7,399,414.08 - Step 4: Simplify right side
18,182,548.80x = 201,788,287,193,489.81 - Step 5: Solve for x
x = 201,788,287,193,489.81/18,182,548.80 - Step 6: Final answer
x = 11,097,909.84
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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.