Finding the Fourth Proportional to 16,383,786.44, 22,618,124.90 and 11,968,554.28
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Solution
The fourth proportional to 16,383,786.44, 22,618,124.90 and 11,968,554.28 is: 16,522,813.98
Step by Step Solution
- Step 1: Write the proportion equation
16,383,786.44 : 22,618,124.90 = 11,968,554.28 : x - Step 2: Convert to fraction form
16,383,786.44/22,618,124.90 = 11,968,554.28/x - Step 3: Cross multiply
16,383,786.44x = 22,618,124.90 × 11,968,554.28 - Step 4: Simplify right side
16,383,786.44x = 270,706,255,577,469.53 - Step 5: Solve for x
x = 270,706,255,577,469.53/16,383,786.44 - Step 6: Final answer
x = 16,522,813.98
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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.