Finding the Fourth Proportional to 14,609,523.42, 20,156,246.44 and 8,414,446.08
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Solution
The fourth proportional to 14,609,523.42, 20,156,246.44 and 8,414,446.08 is: 11,609,115.78
Step by Step Solution
- Step 1: Write the proportion equation
14,609,523.42 : 20,156,246.44 = 8,414,446.08 : x - Step 2: Convert to fraction form
14,609,523.42/20,156,246.44 = 8,414,446.08/x - Step 3: Cross multiply
14,609,523.42x = 20,156,246.44 × 8,414,446.08 - Step 4: Simplify right side
14,609,523.42x = 169,603,648,844,571.97 - Step 5: Solve for x
x = 169,603,648,844,571.97/14,609,523.42 - Step 6: Final answer
x = 11,609,115.78
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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.