Finding the Fourth Proportional to 8,288,846.16, 11,438,434.08 and 4,617,757.68
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Solution
The fourth proportional to 8,288,846.16, 11,438,434.08 and 4,617,757.68 is: 6,372,408.87
Step by Step Solution
- Step 1: Write the proportion equation
8,288,846.16 : 11,438,434.08 = 4,617,757.68 : x - Step 2: Convert to fraction form
8,288,846.16/11,438,434.08 = 4,617,757.68/x - Step 3: Cross multiply
8,288,846.16x = 11,438,434.08 × 4,617,757.68 - Step 4: Simplify right side
8,288,846.16x = 52,819,916,820,093.73 - Step 5: Solve for x
x = 52,819,916,820,093.73/8,288,846.16 - Step 6: Final answer
x = 6,372,408.87
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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.