Finding the Fourth Proportional to 17,991,531.40, 26,987,276.02 and 5,860,975.44
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Solution
The fourth proportional to 17,991,531.40, 26,987,276.02 and 5,860,975.44 is: 8,791,456.29
Step by Step Solution
- Step 1: Write the proportion equation
17,991,531.40 : 26,987,276.02 = 5,860,975.44 : x - Step 2: Convert to fraction form
17,991,531.40/26,987,276.02 = 5,860,975.44/x - Step 3: Cross multiply
17,991,531.40x = 26,987,276.02 × 5,860,975.44 - Step 4: Simplify right side
17,991,531.40x = 158,171,761,945,720.97 - Step 5: Solve for x
x = 158,171,761,945,720.97/17,991,531.40 - Step 6: Final answer
x = 8,791,456.29
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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.