Finding the Fourth Proportional to 7,573,534.20, 11,347,704.18 and 5,324,956.92
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Solution
The fourth proportional to 7,573,534.20, 11,347,704.18 and 5,324,956.92 is: 7,978,578.34
Step by Step Solution
- Step 1: Write the proportion equation
7,573,534.20 : 11,347,704.18 = 5,324,956.92 : x - Step 2: Convert to fraction form
7,573,534.20/11,347,704.18 = 5,324,956.92/x - Step 3: Cross multiply
7,573,534.20x = 11,347,704.18 × 5,324,956.92 - Step 4: Simplify right side
7,573,534.20x = 60,426,035,899,403.92 - Step 5: Solve for x
x = 60,426,035,899,403.92/7,573,534.20 - Step 6: Final answer
x = 7,978,578.34
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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.