Finding the Fourth Proportional to 11,451,027.40, 17,176,530.30 and 2,931,350.20
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Solution
The fourth proportional to 11,451,027.40, 17,176,530.30 and 2,931,350.20 is: 4,397,022.54
Step by Step Solution
- Step 1: Write the proportion equation
11,451,027.40 : 17,176,530.30 = 2,931,350.20 : x - Step 2: Convert to fraction form
11,451,027.40/17,176,530.30 = 2,931,350.20/x - Step 3: Cross multiply
11,451,027.40x = 17,176,530.30 × 2,931,350.20 - Step 4: Simplify right side
11,451,027.40x = 50,350,425,530,211.06 - Step 5: Solve for x
x = 50,350,425,530,211.06/11,451,027.40 - Step 6: Final answer
x = 4,397,022.54
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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.