Finding the Fourth Proportional to 10,350,723.11, 14,286,431.97 and 6,433,437.69
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Solution
The fourth proportional to 10,350,723.11, 14,286,431.97 and 6,433,437.69 is: 8,879,656.91
Step by Step Solution
- Step 1: Write the proportion equation
10,350,723.11 : 14,286,431.97 = 6,433,437.69 : x - Step 2: Convert to fraction form
10,350,723.11/14,286,431.97 = 6,433,437.69/x - Step 3: Cross multiply
10,350,723.11x = 14,286,431.97 × 6,433,437.69 - Step 4: Simplify right side
10,350,723.11x = 91,910,869,891,418.95 - Step 5: Solve for x
x = 91,910,869,891,418.95/10,350,723.11 - Step 6: Final answer
x = 8,879,656.91
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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.