Finding the Fourth Proportional to 16,161,213.98, 22,302,949.70 and 8,819,520.98
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Solution
The fourth proportional to 16,161,213.98, 22,302,949.70 and 8,819,520.98 is: 12,171,197.84
Step by Step Solution
- Step 1: Write the proportion equation
16,161,213.98 : 22,302,949.70 = 8,819,520.98 : x - Step 2: Convert to fraction form
16,161,213.98/22,302,949.70 = 8,819,520.98/x - Step 3: Cross multiply
16,161,213.98x = 22,302,949.70 × 8,819,520.98 - Step 4: Simplify right side
16,161,213.98x = 196,701,332,705,568.75 - Step 5: Solve for x
x = 196,701,332,705,568.75/16,161,213.98 - Step 6: Final answer
x = 12,171,197.84
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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.