Finding the Fourth Proportional to 7,827,052.80, 11,741,745.60 and 2,777,940.48
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Solution
The fourth proportional to 7,827,052.80, 11,741,745.60 and 2,777,940.48 is: 4,167,324.69
Step by Step Solution
- Step 1: Write the proportion equation
7,827,052.80 : 11,741,745.60 = 2,777,940.48 : x - Step 2: Convert to fraction form
7,827,052.80/11,741,745.60 = 2,777,940.48/x - Step 3: Cross multiply
7,827,052.80x = 11,741,745.60 × 2,777,940.48 - Step 4: Simplify right side
7,827,052.80x = 32,617,870,408,101.89 - Step 5: Solve for x
x = 32,617,870,408,101.89/7,827,052.80 - Step 6: Final answer
x = 4,167,324.69
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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.