Finding the Fourth Proportional to 12,073,097.80, 18,103,425.90 and 4,496,163.40
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Solution
The fourth proportional to 12,073,097.80, 18,103,425.90 and 4,496,163.40 is: 6,741,928.40
Step by Step Solution
- Step 1: Write the proportion equation
12,073,097.80 : 18,103,425.90 = 4,496,163.40 : x - Step 2: Convert to fraction form
12,073,097.80/18,103,425.90 = 4,496,163.40/x - Step 3: Cross multiply
12,073,097.80x = 18,103,425.90 × 4,496,163.40 - Step 4: Simplify right side
12,073,097.80x = 81,395,960,946,192.06 - Step 5: Solve for x
x = 81,395,960,946,192.06/12,073,097.80 - Step 6: Final answer
x = 6,741,928.40
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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.