Finding the Fourth Proportional to 18,431,528.08, 27,644,492.76 and 7,077,323.92
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Solution
The fourth proportional to 18,431,528.08, 27,644,492.76 and 7,077,323.92 is: 10,614,910.98
Step by Step Solution
- Step 1: Write the proportion equation
18,431,528.08 : 27,644,492.76 = 7,077,323.92 : x - Step 2: Convert to fraction form
18,431,528.08/27,644,492.76 = 7,077,323.92/x - Step 3: Cross multiply
18,431,528.08x = 27,644,492.76 × 7,077,323.92 - Step 4: Simplify right side
18,431,528.08x = 195,649,029,866,614.84 - Step 5: Solve for x
x = 195,649,029,866,614.84/18,431,528.08 - Step 6: Final answer
x = 10,614,910.98
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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.