Finding the Fourth Proportional to 11,795,220.36, 16,277,927.94 and 6,638,915.88
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Solution
The fourth proportional to 11,795,220.36, 16,277,927.94 and 6,638,915.88 is: 9,161,998.76
Step by Step Solution
- Step 1: Write the proportion equation
11,795,220.36 : 16,277,927.94 = 6,638,915.88 : x - Step 2: Convert to fraction form
11,795,220.36/16,277,927.94 = 6,638,915.88/x - Step 3: Cross multiply
11,795,220.36x = 16,277,927.94 × 6,638,915.88 - Step 4: Simplify right side
11,795,220.36x = 108,067,794,294,361.69 - Step 5: Solve for x
x = 108,067,794,294,361.69/11,795,220.36 - Step 6: Final answer
x = 9,161,998.76
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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.