Finding the Fourth Proportional to 10,324,315.24, 15,485,463.78 and 3,135,911.56
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Solution
The fourth proportional to 10,324,315.24, 15,485,463.78 and 3,135,911.56 is: 4,703,560.84
Step by Step Solution
- Step 1: Write the proportion equation
10,324,315.24 : 15,485,463.78 = 3,135,911.56 : x - Step 2: Convert to fraction form
10,324,315.24/15,485,463.78 = 3,135,911.56/x - Step 3: Cross multiply
10,324,315.24x = 15,485,463.78 × 3,135,911.56 - Step 4: Simplify right side
10,324,315.24x = 48,561,044,879,663.30 - Step 5: Solve for x
x = 48,561,044,879,663.30/10,324,315.24 - Step 6: Final answer
x = 4,703,560.84
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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.