Finding the Fourth Proportional to 10,965,631.70, 16,448,447.55 and 2,987,455.70
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Solution
The fourth proportional to 10,965,631.70, 16,448,447.55 and 2,987,455.70 is: 4,481,183.55
Step by Step Solution
- Step 1: Write the proportion equation
10,965,631.70 : 16,448,447.55 = 2,987,455.70 : x - Step 2: Convert to fraction form
10,965,631.70/16,448,447.55 = 2,987,455.70/x - Step 3: Cross multiply
10,965,631.70x = 16,448,447.55 × 2,987,455.70 - Step 4: Simplify right side
10,965,631.70x = 49,139,008,389,398.54 - Step 5: Solve for x
x = 49,139,008,389,398.54/10,965,631.70 - Step 6: Final answer
x = 4,481,183.55
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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.