Finding the Fourth Proportional to 7,755,542.16, 11,638,626.84 and 2,706,852.68
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Solution
The fourth proportional to 7,755,542.16, 11,638,626.84 and 2,706,852.68 is: 4,062,133.58
Step by Step Solution
- Step 1: Write the proportion equation
7,755,542.16 : 11,638,626.84 = 2,706,852.68 : x - Step 2: Convert to fraction form
7,755,542.16/11,638,626.84 = 2,706,852.68/x - Step 3: Cross multiply
7,755,542.16x = 11,638,626.84 × 2,706,852.68 - Step 4: Simplify right side
7,755,542.16x = 31,504,048,253,373.93 - Step 5: Solve for x
x = 31,504,048,253,373.93/7,755,542.16 - Step 6: Final answer
x = 4,062,133.58
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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.