Finding the Fourth Proportional to 7,755,603.26, 11,638,720.10 and 2,706,913.76
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Solution
The fourth proportional to 7,755,603.26, 11,638,720.10 and 2,706,913.76 is: 4,062,225.79
Step by Step Solution
- Step 1: Write the proportion equation
7,755,603.26 : 11,638,720.10 = 2,706,913.76 : x - Step 2: Convert to fraction form
7,755,603.26/11,638,720.10 = 2,706,913.76/x - Step 3: Cross multiply
7,755,603.26x = 11,638,720.10 × 2,706,913.76 - Step 4: Simplify right side
7,755,603.26x = 31,505,011,536,052.26 - Step 5: Solve for x
x = 31,505,011,536,052.26/7,755,603.26 - Step 6: Final answer
x = 4,062,225.79
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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.