Finding the Fourth Proportional to 7,135,333.26, 9,846,766.22 and 3,872,147.99
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Solution
The fourth proportional to 7,135,333.26, 9,846,766.22 and 3,872,147.99 is: 5,343,567.65
Step by Step Solution
- Step 1: Write the proportion equation
7,135,333.26 : 9,846,766.22 = 3,872,147.99 : x - Step 2: Convert to fraction form
7,135,333.26/9,846,766.22 = 3,872,147.99/x - Step 3: Cross multiply
7,135,333.26x = 9,846,766.22 × 3,872,147.99 - Step 4: Simplify right side
7,135,333.26x = 38,128,135,958,178.33 - Step 5: Solve for x
x = 38,128,135,958,178.33/7,135,333.26 - Step 6: Final answer
x = 5,343,567.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.