Finding the Fourth Proportional to 16,162,708.21, 22,305,010.20 and 8,821,012.24
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Solution
The fourth proportional to 16,162,708.21, 22,305,010.20 and 8,821,012.24 is: 12,173,254.96
Step by Step Solution
- Step 1: Write the proportion equation
16,162,708.21 : 22,305,010.20 = 8,821,012.24 : x - Step 2: Convert to fraction form
16,162,708.21/22,305,010.20 = 8,821,012.24/x - Step 3: Cross multiply
16,162,708.21x = 22,305,010.20 × 8,821,012.24 - Step 4: Simplify right side
16,162,708.21x = 196,752,767,856,861.62 - Step 5: Solve for x
x = 196,752,767,856,861.62/16,162,708.21 - Step 6: Final answer
x = 12,173,254.96
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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.