Finding the Fourth Proportional to 32,103,697.40, 48,155,546.10 and 20,624,571.80
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Solution
The fourth proportional to 32,103,697.40, 48,155,546.10 and 20,624,571.80 is: 30,936,857.70
Step by Step Solution
- Step 1: Write the proportion equation
32,103,697.40 : 48,155,546.10 = 20,624,571.80 : x - Step 2: Convert to fraction form
32,103,697.40/48,155,546.10 = 20,624,571.80/x - Step 3: Cross multiply
32,103,697.40x = 48,155,546.10 × 20,624,571.80 - Step 4: Simplify right side
32,103,697.40x = 993,187,518,107,660 - Step 5: Solve for x
x = 993,187,518,107,660/32,103,697.40 - Step 6: Final answer
x = 30,936,857.70
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1.5x scale
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.