Finding the Fourth Proportional to 7,486,662.64, 11,229,995.72 and 2,096,107.12
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Solution
The fourth proportional to 7,486,662.64, 11,229,995.72 and 2,096,107.12 is: 3,144,161.17
Step by Step Solution
- Step 1: Write the proportion equation
7,486,662.64 : 11,229,995.72 = 2,096,107.12 : x - Step 2: Convert to fraction form
7,486,662.64/11,229,995.72 = 2,096,107.12/x - Step 3: Cross multiply
7,486,662.64x = 11,229,995.72 × 2,096,107.12 - Step 4: Simplify right side
7,486,662.64x = 23,539,273,986,261.53 - Step 5: Solve for x
x = 23,539,273,986,261.53/7,486,662.64 - Step 6: Final answer
x = 3,144,161.17
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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.