Finding the Fourth Proportional to 18,669,510, 28,004,265 and 4,486,086
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Solution
The fourth proportional to 18,669,510, 28,004,265 and 4,486,086 is: 6,729,129
Step by Step Solution
- Step 1: Write the proportion equation
18,669,510 : 28,004,265 = 4,486,086 : x - Step 2: Convert to fraction form
18,669,510/28,004,265 = 4,486,086/x - Step 3: Cross multiply
18,669,510x = 28,004,265 × 4,486,086 - Step 4: Simplify right side
18,669,510x = 125,629,541,156,790 - Step 5: Solve for x
x = 125,629,541,156,790/18,669,510 - Step 6: Final answer
x = 6,729,129
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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.