Finding the Fourth Proportional to 18,375,528.76, 27,561,193.62 and 4,913,406.52
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Solution
The fourth proportional to 18,375,528.76, 27,561,193.62 and 4,913,406.52 is: 7,369,548.39
Step by Step Solution
- Step 1: Write the proportion equation
18,375,528.76 : 27,561,193.62 = 4,913,406.52 : x - Step 2: Convert to fraction form
18,375,528.76/27,561,193.62 = 4,913,406.52/x - Step 3: Cross multiply
18,375,528.76x = 27,561,193.62 × 4,913,406.52 - Step 4: Simplify right side
18,375,528.76x = 135,419,348,431,490.39 - Step 5: Solve for x
x = 135,419,348,431,490.39/18,375,528.76 - Step 6: Final answer
x = 7,369,548.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.