Finding the Fourth Proportional to 11,295,855.26, 15,588,382.71 and 6,139,229.18
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Solution
The fourth proportional to 11,295,855.26, 15,588,382.71 and 6,139,229.18 is: 8,472,191.95
Step by Step Solution
- Step 1: Write the proportion equation
11,295,855.26 : 15,588,382.71 = 6,139,229.18 : x - Step 2: Convert to fraction form
11,295,855.26/15,588,382.71 = 6,139,229.18/x - Step 3: Cross multiply
11,295,855.26x = 15,588,382.71 × 6,139,229.18 - Step 4: Simplify right side
11,295,855.26x = 95,700,654,002,239.48 - Step 5: Solve for x
x = 95,700,654,002,239.48/11,295,855.26 - Step 6: Final answer
x = 8,472,191.95
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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.