Finding the Fourth Proportional to 18,342,128.40, 27,530,907.30 and 11,167,674.90
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Solution
The fourth proportional to 18,342,128.40, 27,530,907.30 and 11,167,674.90 is: 16,762,298.01
Step by Step Solution
- Step 1: Write the proportion equation
18,342,128.40 : 27,530,907.30 = 11,167,674.90 : x - Step 2: Convert to fraction form
18,342,128.40/27,530,907.30 = 11,167,674.90/x - Step 3: Cross multiply
18,342,128.40x = 27,530,907.30 × 11,167,674.90 - Step 4: Simplify right side
18,342,128.40x = 307,456,222,428,436.81 - Step 5: Solve for x
x = 307,456,222,428,436.81/18,342,128.40 - Step 6: Final answer
x = 16,762,298.01
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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.