Finding the Fourth Proportional to 8,316,234.20, 12,476,165.70 and 4,723,722.20
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Solution
The fourth proportional to 8,316,234.20, 12,476,165.70 and 4,723,722.20 is: 7,086,613.90
Step by Step Solution
- Step 1: Write the proportion equation
8,316,234.20 : 12,476,165.70 = 4,723,722.20 : x - Step 2: Convert to fraction form
8,316,234.20/12,476,165.70 = 4,723,722.20/x - Step 3: Cross multiply
8,316,234.20x = 12,476,165.70 × 4,723,722.20 - Step 4: Simplify right side
8,316,234.20x = 58,933,940,887,968.54 - Step 5: Solve for x
x = 58,933,940,887,968.54/8,316,234.20 - Step 6: Final answer
x = 7,086,613.90
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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.