Finding the Fourth Proportional to 46,634,538.38, 69,882,720.84 and 18,934,771.95
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Solution
The fourth proportional to 46,634,538.38, 69,882,720.84 and 18,934,771.95 is: 28,374,107.01
Step by Step Solution
- Step 1: Write the proportion equation
46,634,538.38 : 69,882,720.84 = 18,934,771.95 : x - Step 2: Convert to fraction form
46,634,538.38/69,882,720.84 = 18,934,771.95/x - Step 3: Cross multiply
46,634,538.38x = 69,882,720.84 × 18,934,771.95 - Step 4: Simplify right side
46,634,538.38x = 1,323,213,382,350,912.50 - Step 5: Solve for x
x = 1,323,213,382,350,912.50/46,634,538.38 - Step 6: Final answer
x = 28,374,107.01
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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.