Finding the Fourth Proportional to 11,951,161.56, 16,493,880.29 and 7,307,668.08
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Solution
The fourth proportional to 11,951,161.56, 16,493,880.29 and 7,307,668.08 is: 10,085,362.99
Step by Step Solution
- Step 1: Write the proportion equation
11,951,161.56 : 16,493,880.29 = 7,307,668.08 : x - Step 2: Convert to fraction form
11,951,161.56/16,493,880.29 = 7,307,668.08/x - Step 3: Cross multiply
11,951,161.56x = 16,493,880.29 × 7,307,668.08 - Step 4: Simplify right side
11,951,161.56x = 120,531,802,474,035.81 - Step 5: Solve for x
x = 120,531,802,474,035.81/11,951,161.56 - Step 6: Final answer
x = 10,085,362.99
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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.