Finding the Fourth Proportional to 12,252,378.27, 18,378,563.09 and 3,276,696.99
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Solution
The fourth proportional to 12,252,378.27, 18,378,563.09 and 3,276,696.99 is: 4,915,044.33
Step by Step Solution
- Step 1: Write the proportion equation
12,252,378.27 : 18,378,563.09 = 3,276,696.99 : x - Step 2: Convert to fraction form
12,252,378.27/18,378,563.09 = 3,276,696.99/x - Step 3: Cross multiply
12,252,378.27x = 18,378,563.09 × 3,276,696.99 - Step 4: Simplify right side
12,252,378.27x = 60,220,982,341,144.62 - Step 5: Solve for x
x = 60,220,982,341,144.62/12,252,378.27 - Step 6: Final answer
x = 4,915,044.33
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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.