Finding the Fourth Proportional to 6,471,513.96, 8,933,922.53 and 4,024,913.68
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Solution
The fourth proportional to 6,471,513.96, 8,933,922.53 and 4,024,913.68 is: 5,556,391.79
Step by Step Solution
- Step 1: Write the proportion equation
6,471,513.96 : 8,933,922.53 = 4,024,913.68 : x - Step 2: Convert to fraction form
6,471,513.96/8,933,922.53 = 4,024,913.68/x - Step 3: Cross multiply
6,471,513.96x = 8,933,922.53 × 4,024,913.68 - Step 4: Simplify right side
6,471,513.96x = 35,958,267,007,057.21 - Step 5: Solve for x
x = 35,958,267,007,057.21/6,471,513.96 - Step 6: Final answer
x = 5,556,391.79
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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.