Finding the Fourth Proportional to 16,612,824.80, 24,923,902.80 and 8,093,439.20
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Solution
The fourth proportional to 16,612,824.80, 24,923,902.80 and 8,093,439.20 is: 12,142,431.79
Step by Step Solution
- Step 1: Write the proportion equation
16,612,824.80 : 24,923,902.80 = 8,093,439.20 : x - Step 2: Convert to fraction form
16,612,824.80/24,923,902.80 = 8,093,439.20/x - Step 3: Cross multiply
16,612,824.80x = 24,923,902.80 × 8,093,439.20 - Step 4: Simplify right side
16,612,824.80x = 201,720,091,938,509.78 - Step 5: Solve for x
x = 201,720,091,938,509.78/16,612,824.80 - Step 6: Final answer
x = 12,142,431.79
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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.