Finding the Fourth Proportional to 10,576,849.29, 15,865,279.14 and 6,981,775.97
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Solution
The fourth proportional to 10,576,849.29, 15,865,279.14 and 6,981,775.97 is: 10,472,667.39
Step by Step Solution
- Step 1: Write the proportion equation
10,576,849.29 : 15,865,279.14 = 6,981,775.97 : x - Step 2: Convert to fraction form
10,576,849.29/15,865,279.14 = 6,981,775.97/x - Step 3: Cross multiply
10,576,849.29x = 15,865,279.14 × 6,981,775.97 - Step 4: Simplify right side
10,576,849.29x = 110,767,824,603,849.53 - Step 5: Solve for x
x = 110,767,824,603,849.53/10,576,849.29 - Step 6: Final answer
x = 10,472,667.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.