Finding the Fourth Proportional to 29,988,821.80, 44,983,232.70 and 18,651,413.80
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Solution
The fourth proportional to 29,988,821.80, 44,983,232.70 and 18,651,413.80 is: 27,977,120.70
Step by Step Solution
- Step 1: Write the proportion equation
29,988,821.80 : 44,983,232.70 = 18,651,413.80 : x - Step 2: Convert to fraction form
29,988,821.80/44,983,232.70 = 18,651,413.80/x - Step 3: Cross multiply
29,988,821.80x = 44,983,232.70 × 18,651,413.80 - Step 4: Simplify right side
29,988,821.80x = 839,000,887,149,391.38 - Step 5: Solve for x
x = 839,000,887,149,391.38/29,988,821.80 - Step 6: Final answer
x = 27,977,120.70
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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.