Finding the Fourth Proportional to 32,179,493.40, 48,269,240.10 and 28,652,299.80
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Solution
The fourth proportional to 32,179,493.40, 48,269,240.10 and 28,652,299.80 is: 42,978,449.70
Step by Step Solution
- Step 1: Write the proportion equation
32,179,493.40 : 48,269,240.10 = 28,652,299.80 : x - Step 2: Convert to fraction form
32,179,493.40/48,269,240.10 = 28,652,299.80/x - Step 3: Cross multiply
32,179,493.40x = 48,269,240.10 × 28,652,299.80 - Step 4: Simplify right side
32,179,493.40x = 1,383,024,738,463,382 - Step 5: Solve for x
x = 1,383,024,738,463,382/32,179,493.40 - Step 6: Final answer
x = 42,978,449.70
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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.