Finding the Fourth Proportional to 17,190,991.98, 25,777,614.18 and 5,058,880.14
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Solution
The fourth proportional to 17,190,991.98, 25,777,614.18 and 5,058,880.14 is: 7,585,708.87
Step by Step Solution
- Step 1: Write the proportion equation
17,190,991.98 : 25,777,614.18 = 5,058,880.14 : x - Step 2: Convert to fraction form
17,190,991.98/25,777,614.18 = 5,058,880.14/x - Step 3: Cross multiply
17,190,991.98x = 25,777,614.18 × 5,058,880.14 - Step 4: Simplify right side
17,190,991.98x = 130,405,860,431,784.38 - Step 5: Solve for x
x = 130,405,860,431,784.38/17,190,991.98 - Step 6: Final answer
x = 7,585,708.87
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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.