Finding the Fourth Proportional to 11,568,971.44, 17,349,963.34 and 3,479,799.70
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Solution
The fourth proportional to 11,568,971.44, 17,349,963.34 and 3,479,799.70 is: 5,218,648.65
Step by Step Solution
- Step 1: Write the proportion equation
11,568,971.44 : 17,349,963.34 = 3,479,799.70 : x - Step 2: Convert to fraction form
11,568,971.44/17,349,963.34 = 3,479,799.70/x - Step 3: Cross multiply
11,568,971.44x = 17,349,963.34 × 3,479,799.70 - Step 4: Simplify right side
11,568,971.44x = 60,374,397,225,543 - Step 5: Solve for x
x = 60,374,397,225,543/11,568,971.44 - Step 6: Final answer
x = 5,218,648.65
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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.