Finding the Fourth Proportional to 16,129,242.80, 24,193,864.20 and 5,491,674.80
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Solution
The fourth proportional to 16,129,242.80, 24,193,864.20 and 5,491,674.80 is: 8,237,512.20
Step by Step Solution
- Step 1: Write the proportion equation
16,129,242.80 : 24,193,864.20 = 5,491,674.80 : x - Step 2: Convert to fraction form
16,129,242.80/24,193,864.20 = 5,491,674.80/x - Step 3: Cross multiply
16,129,242.80x = 24,193,864.20 × 5,491,674.80 - Step 4: Simplify right side
16,129,242.80x = 132,864,834,341,762.16 - Step 5: Solve for x
x = 132,864,834,341,762.16/16,129,242.80 - Step 6: Final answer
x = 8,237,512.20
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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.