Finding the Fourth Proportional to 16,523,235.72, 24,767,133.60 and 7,991,836.20
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Solution
The fourth proportional to 16,523,235.72, 24,767,133.60 and 7,991,836.20 is: 11,979,183.63
Step by Step Solution
- Step 1: Write the proportion equation
16,523,235.72 : 24,767,133.60 = 7,991,836.20 : x - Step 2: Convert to fraction form
16,523,235.72/24,767,133.60 = 7,991,836.20/x - Step 3: Cross multiply
16,523,235.72x = 24,767,133.60 × 7,991,836.20 - Step 4: Simplify right side
16,523,235.72x = 197,934,874,874,716.34 - Step 5: Solve for x
x = 197,934,874,874,716.34/16,523,235.72 - Step 6: Final answer
x = 11,979,183.63
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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.