Finding the Fourth Proportional to 19,940,361.63, 27,517,818.99 and 11,120,369.73
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Solution
The fourth proportional to 19,940,361.63, 27,517,818.99 and 11,120,369.73 is: 15,346,177.12
Step by Step Solution
- Step 1: Write the proportion equation
19,940,361.63 : 27,517,818.99 = 11,120,369.73 : x - Step 2: Convert to fraction form
19,940,361.63/27,517,818.99 = 11,120,369.73/x - Step 3: Cross multiply
19,940,361.63x = 27,517,818.99 × 11,120,369.73 - Step 4: Simplify right side
19,940,361.63x = 306,008,321,270,524.75 - Step 5: Solve for x
x = 306,008,321,270,524.75/19,940,361.63 - Step 6: Final answer
x = 15,346,177.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.