Finding the Fourth Proportional to 18,403,991.14, 25,397,608.53 and 10,673,616.82
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Solution
The fourth proportional to 18,403,991.14, 25,397,608.53 and 10,673,616.82 is: 14,729,649.65
Step by Step Solution
- Step 1: Write the proportion equation
18,403,991.14 : 25,397,608.53 = 10,673,616.82 : x - Step 2: Convert to fraction form
18,403,991.14/25,397,608.53 = 10,673,616.82/x - Step 3: Cross multiply
18,403,991.14x = 25,397,608.53 × 10,673,616.82 - Step 4: Simplify right side
18,403,991.14x = 271,084,341,593,583.50 - Step 5: Solve for x
x = 271,084,341,593,583.50/18,403,991.14 - Step 6: Final answer
x = 14,729,649.65
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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.