Finding the Fourth Proportional to 16,388,469.80, 24,582,704.70 and 7,885,413.80
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Solution
The fourth proportional to 16,388,469.80, 24,582,704.70 and 7,885,413.80 is: 11,828,120.70
Step by Step Solution
- Step 1: Write the proportion equation
16,388,469.80 : 24,582,704.70 = 7,885,413.80 : x - Step 2: Convert to fraction form
16,388,469.80/24,582,704.70 = 7,885,413.80/x - Step 3: Cross multiply
16,388,469.80x = 24,582,704.70 × 7,885,413.80 - Step 4: Simplify right side
16,388,469.80x = 193,844,798,882,704.84 - Step 5: Solve for x
x = 193,844,798,882,704.84/16,388,469.80 - Step 6: Final answer
x = 11,828,120.70
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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.