Finding the Fourth Proportional to 18,375,680.88, 27,561,418.14 and 4,913,558.64
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Solution
The fourth proportional to 18,375,680.88, 27,561,418.14 and 4,913,558.64 is: 7,369,775.58
Step by Step Solution
- Step 1: Write the proportion equation
18,375,680.88 : 27,561,418.14 = 4,913,558.64 : x - Step 2: Convert to fraction form
18,375,680.88/27,561,418.14 = 4,913,558.64/x - Step 3: Cross multiply
18,375,680.88x = 27,561,418.14 × 4,913,558.64 - Step 4: Simplify right side
18,375,680.88x = 135,424,644,232,449.72 - Step 5: Solve for x
x = 135,424,644,232,449.72/18,375,680.88 - Step 6: Final answer
x = 7,369,775.58
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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.