Finding the Fourth Proportional to 19,940,060.23, 27,519,472.79 and 11,569,273.99
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Solution
The fourth proportional to 19,940,060.23, 27,519,472.79 and 11,569,273.99 is: 15,966,868.56
Step by Step Solution
- Step 1: Write the proportion equation
19,940,060.23 : 27,519,472.79 = 11,569,273.99 : x - Step 2: Convert to fraction form
19,940,060.23/27,519,472.79 = 11,569,273.99/x - Step 3: Cross multiply
19,940,060.23x = 27,519,472.79 × 11,569,273.99 - Step 4: Simplify right side
19,940,060.23x = 318,380,320,767,859.75 - Step 5: Solve for x
x = 318,380,320,767,859.75/19,940,060.23 - Step 6: Final answer
x = 15,966,868.56
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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.