Finding the Fourth Proportional to 7,738,871.04, 11,609,957.48 and 2,621,121.48
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Solution
The fourth proportional to 7,738,871.04, 11,609,957.48 and 2,621,121.48 is: 3,932,241.38
Step by Step Solution
- Step 1: Write the proportion equation
7,738,871.04 : 11,609,957.48 = 2,621,121.48 : x - Step 2: Convert to fraction form
7,738,871.04/11,609,957.48 = 2,621,121.48/x - Step 3: Cross multiply
7,738,871.04x = 11,609,957.48 × 2,621,121.48 - Step 4: Simplify right side
7,738,871.04x = 30,431,108,919,609.06 - Step 5: Solve for x
x = 30,431,108,919,609.06/7,738,871.04 - Step 6: Final answer
x = 3,932,241.38
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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.