Finding the Fourth Proportional to 11,294,529.28, 15,586,550.16 and 6,137,890.96
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Solution
The fourth proportional to 11,294,529.28, 15,586,550.16 and 6,137,890.96 is: 8,470,343.73
Step by Step Solution
- Step 1: Write the proportion equation
11,294,529.28 : 15,586,550.16 = 6,137,890.96 : x - Step 2: Convert to fraction form
11,294,529.28/15,586,550.16 = 6,137,890.96/x - Step 3: Cross multiply
11,294,529.28x = 15,586,550.16 × 6,137,890.96 - Step 4: Simplify right side
11,294,529.28x = 95,668,545,324,650.55 - Step 5: Solve for x
x = 95,668,545,324,650.55/11,294,529.28 - Step 6: Final answer
x = 8,470,343.73
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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.