Finding the Fourth Proportional to 8,310,655.26, 11,468,658.87 and 4,639,359.42
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Solution
The fourth proportional to 8,310,655.26, 11,468,658.87 and 4,639,359.42 is: 6,402,290.66
Step by Step Solution
- Step 1: Write the proportion equation
8,310,655.26 : 11,468,658.87 = 4,639,359.42 : x - Step 2: Convert to fraction form
8,310,655.26/11,468,658.87 = 4,639,359.42/x - Step 3: Cross multiply
8,310,655.26x = 11,468,658.87 × 4,639,359.42 - Step 4: Simplify right side
8,310,655.26x = 53,207,230,563,301.05 - Step 5: Solve for x
x = 53,207,230,563,301.05/8,310,655.26 - Step 6: Final answer
x = 6,402,290.66
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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.