Finding the Fourth Proportional to 8,396,868.09, 11,583,233.75 and 5,778,826.99
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Solution
The fourth proportional to 8,396,868.09, 11,583,233.75 and 5,778,826.99 is: 7,971,722.67
Step by Step Solution
- Step 1: Write the proportion equation
8,396,868.09 : 11,583,233.75 = 5,778,826.99 : x - Step 2: Convert to fraction form
8,396,868.09/11,583,233.75 = 5,778,826.99/x - Step 3: Cross multiply
8,396,868.09x = 11,583,233.75 × 5,778,826.99 - Step 4: Simplify right side
8,396,868.09x = 66,937,503,778,942.85 - Step 5: Solve for x
x = 66,937,503,778,942.85/8,396,868.09 - Step 6: Final answer
x = 7,971,722.67
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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.