Finding the Fourth Proportional to 7,394,858.40, 11,092,287.60 and 4,206,212.40
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Solution
The fourth proportional to 7,394,858.40, 11,092,287.60 and 4,206,212.40 is: 6,309,318.60
Step by Step Solution
- Step 1: Write the proportion equation
7,394,858.40 : 11,092,287.60 = 4,206,212.40 : x - Step 2: Convert to fraction form
7,394,858.40/11,092,287.60 = 4,206,212.40/x - Step 3: Cross multiply
7,394,858.40x = 11,092,287.60 × 4,206,212.40 - Step 4: Simplify right side
7,394,858.40x = 46,656,517,647,486.24 - Step 5: Solve for x
x = 46,656,517,647,486.24/7,394,858.40 - Step 6: Final answer
x = 6,309,318.60
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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.