Finding the Fourth Proportional to 31,979,582.22, 44,132,087.50 and 18,229,432.08
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Solution
The fourth proportional to 31,979,582.22, 44,132,087.50 and 18,229,432.08 is: 25,156,766.78
Step by Step Solution
- Step 1: Write the proportion equation
31,979,582.22 : 44,132,087.50 = 18,229,432.08 : x - Step 2: Convert to fraction form
31,979,582.22/44,132,087.50 = 18,229,432.08/x - Step 3: Cross multiply
31,979,582.22x = 44,132,087.50 × 18,229,432.08 - Step 4: Simplify right side
31,979,582.22x = 804,502,891,629,866.88 - Step 5: Solve for x
x = 804,502,891,629,866.88/31,979,582.22 - Step 6: Final answer
x = 25,156,766.78
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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.