Finding the Fourth Proportional to 8,505,734.96, 11,738,197.68 and 4,638,467.72
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Solution
The fourth proportional to 8,505,734.96, 11,738,197.68 and 4,638,467.72 is: 6,401,240.02
Step by Step Solution
- Step 1: Write the proportion equation
8,505,734.96 : 11,738,197.68 = 4,638,467.72 : x - Step 2: Convert to fraction form
8,505,734.96/11,738,197.68 = 4,638,467.72/x - Step 3: Cross multiply
8,505,734.96x = 11,738,197.68 × 4,638,467.72 - Step 4: Simplify right side
8,505,734.96x = 54,447,251,029,658.88 - Step 5: Solve for x
x = 54,447,251,029,658.88/8,505,734.96 - Step 6: Final answer
x = 6,401,240.02
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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.