Finding the Fourth Proportional to 11,107,128.75, 16,662,468.08 and 3,428,968.75
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Solution
The fourth proportional to 11,107,128.75, 16,662,468.08 and 3,428,968.75 is: 5,144,001.08
Step by Step Solution
- Step 1: Write the proportion equation
11,107,128.75 : 16,662,468.08 = 3,428,968.75 : x - Step 2: Convert to fraction form
11,107,128.75/16,662,468.08 = 3,428,968.75/x - Step 3: Cross multiply
11,107,128.75x = 16,662,468.08 × 3,428,968.75 - Step 4: Simplify right side
11,107,128.75x = 57,135,082,311,108.75 - Step 5: Solve for x
x = 57,135,082,311,108.75/11,107,128.75 - Step 6: Final answer
x = 5,144,001.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.