Finding the Fourth Proportional to 19,741,057.97, 27,243,403.92 and 11,039,210.96
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Solution
The fourth proportional to 19,741,057.97, 27,243,403.92 and 11,039,210.96 is: 15,234,527.12
Step by Step Solution
- Step 1: Write the proportion equation
19,741,057.97 : 27,243,403.92 = 11,039,210.96 : x - Step 2: Convert to fraction form
19,741,057.97/27,243,403.92 = 11,039,210.96/x - Step 3: Cross multiply
19,741,057.97x = 27,243,403.92 × 11,039,210.96 - Step 4: Simplify right side
19,741,057.97x = 300,745,683,005,153.94 - Step 5: Solve for x
x = 300,745,683,005,153.94/19,741,057.97 - Step 6: Final answer
x = 15,234,527.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.