Finding the Fourth Proportional to 7,324,487.10, 10,106,863.02 and 4,015,910.75
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Solution
The fourth proportional to 7,324,487.10, 10,106,863.02 and 4,015,910.75 is: 5,541,447.37
Step by Step Solution
- Step 1: Write the proportion equation
7,324,487.10 : 10,106,863.02 = 4,015,910.75 : x - Step 2: Convert to fraction form
7,324,487.10/10,106,863.02 = 4,015,910.75/x - Step 3: Cross multiply
7,324,487.10x = 10,106,863.02 × 4,015,910.75 - Step 4: Simplify right side
7,324,487.10x = 40,588,259,800,261.15 - Step 5: Solve for x
x = 40,588,259,800,261.15/7,324,487.10 - Step 6: Final answer
x = 5,541,447.37
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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.