Finding the Fourth Proportional to 7,157,649.92, 10,738,135.58 and 2,365,048.60
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Solution
The fourth proportional to 7,157,649.92, 10,738,135.58 and 2,365,048.60 is: 3,548,121.63
Step by Step Solution
- Step 1: Write the proportion equation
7,157,649.92 : 10,738,135.58 = 2,365,048.60 : x - Step 2: Convert to fraction form
7,157,649.92/10,738,135.58 = 2,365,048.60/x - Step 3: Cross multiply
7,157,649.92x = 10,738,135.58 × 2,365,048.60 - Step 4: Simplify right side
7,157,649.92x = 25,396,212,481,418.61 - Step 5: Solve for x
x = 25,396,212,481,418.61/7,157,649.92 - Step 6: Final answer
x = 3,548,121.63
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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.