Finding the Fourth Proportional to 30,722,832.24, 42,397,863 and 16,971,508.08
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Solution
The fourth proportional to 30,722,832.24, 42,397,863 and 16,971,508.08 is: 23,420,876.98
Step by Step Solution
- Step 1: Write the proportion equation
30,722,832.24 : 42,397,863 = 16,971,508.08 : x - Step 2: Convert to fraction form
30,722,832.24/42,397,863 = 16,971,508.08/x - Step 3: Cross multiply
30,722,832.24x = 42,397,863 × 16,971,508.08 - Step 4: Simplify right side
30,722,832.24x = 719,555,674,479,233 - Step 5: Solve for x
x = 719,555,674,479,233/30,722,832.24 - Step 6: Final answer
x = 23,420,876.98
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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.