Finding the Fourth Proportional to 10,202,586.26, 14,081,099.74 and 7,751,163.38
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Solution
The fourth proportional to 10,202,586.26, 14,081,099.74 and 7,751,163.38 is: 10,697,768.37
Step by Step Solution
- Step 1: Write the proportion equation
10,202,586.26 : 14,081,099.74 = 7,751,163.38 : x - Step 2: Convert to fraction form
10,202,586.26/14,081,099.74 = 7,751,163.38/x - Step 3: Cross multiply
10,202,586.26x = 14,081,099.74 × 7,751,163.38 - Step 4: Simplify right side
10,202,586.26x = 109,144,904,565,032.12 - Step 5: Solve for x
x = 109,144,904,565,032.12/10,202,586.26 - Step 6: Final answer
x = 10,697,768.37
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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.