Finding the Fourth Proportional to 13,981,474.43, 19,295,033.33 and 7,786,521.12
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Solution
The fourth proportional to 13,981,474.43, 19,295,033.33 and 7,786,521.12 is: 10,745,732.53
Step by Step Solution
- Step 1: Write the proportion equation
13,981,474.43 : 19,295,033.33 = 7,786,521.12 : x - Step 2: Convert to fraction form
13,981,474.43/19,295,033.33 = 7,786,521.12/x - Step 3: Cross multiply
13,981,474.43x = 19,295,033.33 × 7,786,521.12 - Step 4: Simplify right side
13,981,474.43x = 150,241,184,496,216.31 - Step 5: Solve for x
x = 150,241,184,496,216.31/13,981,474.43 - Step 6: Final answer
x = 10,745,732.53
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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.