Finding the Fourth Proportional to 13,405,593.24, 18,499,173.87 and 7,604,250.48
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Solution
The fourth proportional to 13,405,593.24, 18,499,173.87 and 7,604,250.48 is: 10,493,556.63
Step by Step Solution
- Step 1: Write the proportion equation
13,405,593.24 : 18,499,173.87 = 7,604,250.48 : x - Step 2: Convert to fraction form
13,405,593.24/18,499,173.87 = 7,604,250.48/x - Step 3: Cross multiply
13,405,593.24x = 18,499,173.87 × 7,604,250.48 - Step 4: Simplify right side
13,405,593.24x = 140,672,351,780,550.97 - Step 5: Solve for x
x = 140,672,351,780,550.97/13,405,593.24 - Step 6: Final answer
x = 10,493,556.63
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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.