Finding the Fourth Proportional to 7,663,861.98, 11,496,682.35 and 2,546,748.54
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Solution
The fourth proportional to 7,663,861.98, 11,496,682.35 and 2,546,748.54 is: 3,820,418.36
Step by Step Solution
- Step 1: Write the proportion equation
7,663,861.98 : 11,496,682.35 = 2,546,748.54 : x - Step 2: Convert to fraction form
7,663,861.98/11,496,682.35 = 2,546,748.54/x - Step 3: Cross multiply
7,663,861.98x = 11,496,682.35 × 2,546,748.54 - Step 4: Simplify right side
7,663,861.98x = 29,279,158,989,706.27 - Step 5: Solve for x
x = 29,279,158,989,706.27/7,663,861.98 - Step 6: Final answer
x = 3,820,418.36
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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.