Finding the Fourth Proportional to 11,093,325.81, 15,307,918.04 and 6,131,558.62
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Solution
The fourth proportional to 11,093,325.81, 15,307,918.04 and 6,131,558.62 is: 8,461,069.16
Step by Step Solution
- Step 1: Write the proportion equation
11,093,325.81 : 15,307,918.04 = 6,131,558.62 : x - Step 2: Convert to fraction form
11,093,325.81/15,307,918.04 = 6,131,558.62/x - Step 3: Cross multiply
11,093,325.81x = 15,307,918.04 × 6,131,558.62 - Step 4: Simplify right side
11,093,325.81x = 93,861,396,846,879.30 - Step 5: Solve for x
x = 93,861,396,846,879.30/11,093,325.81 - Step 6: Final answer
x = 8,461,069.16
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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.