Finding the Fourth Proportional to 21,678,872.22, 32,536,197.57 and 10,899,236.70
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Solution
The fourth proportional to 21,678,872.22, 32,536,197.57 and 10,899,236.70 is: 16,357,849.02
Step by Step Solution
- Step 1: Write the proportion equation
21,678,872.22 : 32,536,197.57 = 10,899,236.70 : x - Step 2: Convert to fraction form
21,678,872.22/32,536,197.57 = 10,899,236.70/x - Step 3: Cross multiply
21,678,872.22x = 32,536,197.57 × 10,899,236.70 - Step 4: Simplify right side
21,678,872.22x = 354,619,718,633,394.81 - Step 5: Solve for x
x = 354,619,718,633,394.81/21,678,872.22 - Step 6: Final answer
x = 16,357,849.02
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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.