Finding the Fourth Proportional to 7,981,311.68, 11,014,254.48 and 4,359,639.68
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Solution
The fourth proportional to 7,981,311.68, 11,014,254.48 and 4,359,639.68 is: 6,016,326.99
Step by Step Solution
- Step 1: Write the proportion equation
7,981,311.68 : 11,014,254.48 = 4,359,639.68 : x - Step 2: Convert to fraction form
7,981,311.68/11,014,254.48 = 4,359,639.68/x - Step 3: Cross multiply
7,981,311.68x = 11,014,254.48 × 4,359,639.68 - Step 4: Simplify right side
7,981,311.68x = 48,018,180,876,625.77 - Step 5: Solve for x
x = 48,018,180,876,625.77/7,981,311.68 - Step 6: Final answer
x = 6,016,326.99
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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.