Finding the Fourth Proportional to 11,332,312.76, 16,992,236.16 and 7,742,133.56
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Solution
The fourth proportional to 11,332,312.76, 16,992,236.16 and 7,742,133.56 is: 11,608,942.03
Step by Step Solution
- Step 1: Write the proportion equation
11,332,312.76 : 16,992,236.16 = 7,742,133.56 : x - Step 2: Convert to fraction form
11,332,312.76/16,992,236.16 = 7,742,133.56/x - Step 3: Cross multiply
11,332,312.76x = 16,992,236.16 × 7,742,133.56 - Step 4: Simplify right side
11,332,312.76x = 131,556,161,876,262.12 - Step 5: Solve for x
x = 131,556,161,876,262.12/11,332,312.76 - Step 6: Final answer
x = 11,608,942.03
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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.