Finding the Fourth Proportional to 7,648,512.72, 11,472,770.16 and 2,529,568.80
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Solution
The fourth proportional to 7,648,512.72, 11,472,770.16 and 2,529,568.80 is: 3,794,353.56
Step by Step Solution
- Step 1: Write the proportion equation
7,648,512.72 : 11,472,770.16 = 2,529,568.80 : x - Step 2: Convert to fraction form
7,648,512.72/11,472,770.16 = 2,529,568.80/x - Step 3: Cross multiply
7,648,512.72x = 11,472,770.16 × 2,529,568.80 - Step 4: Simplify right side
7,648,512.72x = 29,021,161,446,307.01 - Step 5: Solve for x
x = 29,021,161,446,307.01/7,648,512.72 - Step 6: Final answer
x = 3,794,353.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.