Finding the Fourth Proportional to 11,639,611.76, 16,061,208.67 and 6,744,744.90
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Solution
The fourth proportional to 11,639,611.76, 16,061,208.67 and 6,744,744.90 is: 9,306,904.52
Step by Step Solution
- Step 1: Write the proportion equation
11,639,611.76 : 16,061,208.67 = 6,744,744.90 : x - Step 2: Convert to fraction form
11,639,611.76/16,061,208.67 = 6,744,744.90/x - Step 3: Cross multiply
11,639,611.76x = 16,061,208.67 × 6,744,744.90 - Step 4: Simplify right side
11,639,611.76x = 108,328,755,288,109.44 - Step 5: Solve for x
x = 108,328,755,288,109.44/11,639,611.76 - Step 6: Final answer
x = 9,306,904.52
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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.