Finding the Fourth Proportional to 7,481,485.96, 10,324,452.18 and 4,043,716.36
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Solution
The fourth proportional to 7,481,485.96, 10,324,452.18 and 4,043,716.36 is: 5,580,329.42
Step by Step Solution
- Step 1: Write the proportion equation
7,481,485.96 : 10,324,452.18 = 4,043,716.36 : x - Step 2: Convert to fraction form
7,481,485.96/10,324,452.18 = 4,043,716.36/x - Step 3: Cross multiply
7,481,485.96x = 10,324,452.18 × 4,043,716.36 - Step 4: Simplify right side
7,481,485.96x = 41,749,156,188,303.66 - Step 5: Solve for x
x = 41,749,156,188,303.66/7,481,485.96 - Step 6: Final answer
x = 5,580,329.42
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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.