Finding the Fourth Proportional to 32,352,942.20, 48,496,235.70 and 18,882,836.60
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Solution
The fourth proportional to 32,352,942.20, 48,496,235.70 and 18,882,836.60 is: 28,304,890.75
Step by Step Solution
- Step 1: Write the proportion equation
32,352,942.20 : 48,496,235.70 = 18,882,836.60 : x - Step 2: Convert to fraction form
32,352,942.20/48,496,235.70 = 18,882,836.60/x - Step 3: Cross multiply
32,352,942.20x = 48,496,235.70 × 18,882,836.60 - Step 4: Simplify right side
32,352,942.20x = 915,746,494,438,186.75 - Step 5: Solve for x
x = 915,746,494,438,186.75/32,352,942.20 - Step 6: Final answer
x = 28,304,890.75
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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.