Finding the Fourth Proportional to 20,914,825.48, 28,865,883.26 and 17,424,629.44
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Solution
The fourth proportional to 20,914,825.48, 28,865,883.26 and 17,424,629.44 is: 24,048,841.32
Step by Step Solution
- Step 1: Write the proportion equation
20,914,825.48 : 28,865,883.26 = 17,424,629.44 : x - Step 2: Convert to fraction form
20,914,825.48/28,865,883.26 = 17,424,629.44/x - Step 3: Cross multiply
20,914,825.48x = 28,865,883.26 × 17,424,629.44 - Step 4: Simplify right side
20,914,825.48x = 502,977,319,263,799.25 - Step 5: Solve for x
x = 502,977,319,263,799.25/20,914,825.48 - Step 6: Final answer
x = 24,048,841.32
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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.