Finding the Fourth Proportional to 10,324,316.24, 15,485,465.28 and 3,135,912.56
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Solution
The fourth proportional to 10,324,316.24, 15,485,465.28 and 3,135,912.56 is: 4,703,562.34
Step by Step Solution
- Step 1: Write the proportion equation
10,324,316.24 : 15,485,465.28 = 3,135,912.56 : x - Step 2: Convert to fraction form
10,324,316.24/15,485,465.28 = 3,135,912.56/x - Step 3: Cross multiply
10,324,316.24x = 15,485,465.28 × 3,135,912.56 - Step 4: Simplify right side
10,324,316.24x = 48,561,065,068,995.91 - Step 5: Solve for x
x = 48,561,065,068,995.91/10,324,316.24 - Step 6: Final answer
x = 4,703,562.34
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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.