Finding the Fourth Proportional to 11,757,786.99, 17,636,739.94 and 3,670,084.66
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Solution
The fourth proportional to 11,757,786.99, 17,636,739.94 and 3,670,084.66 is: 5,505,145.55
Step by Step Solution
- Step 1: Write the proportion equation
11,757,786.99 : 17,636,739.94 = 3,670,084.66 : x - Step 2: Convert to fraction form
11,757,786.99/17,636,739.94 = 3,670,084.66/x - Step 3: Cross multiply
11,757,786.99x = 17,636,739.94 × 3,670,084.66 - Step 4: Simplify right side
11,757,786.99x = 64,728,328,706,203.33 - Step 5: Solve for x
x = 64,728,328,706,203.33/11,757,786.99 - Step 6: Final answer
x = 5,505,145.55
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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.