Finding the Fourth Proportional to 7,380,031.80, 11,074,713.30 and 4,347,391.80
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Solution
The fourth proportional to 7,380,031.80, 11,074,713.30 and 4,347,391.80 is: 6,523,836.09
Step by Step Solution
- Step 1: Write the proportion equation
7,380,031.80 : 11,074,713.30 = 4,347,391.80 : x - Step 2: Convert to fraction form
7,380,031.80/11,074,713.30 = 4,347,391.80/x - Step 3: Cross multiply
7,380,031.80x = 11,074,713.30 × 4,347,391.80 - Step 4: Simplify right side
7,380,031.80x = 48,146,117,787,770.94 - Step 5: Solve for x
x = 48,146,117,787,770.94/7,380,031.80 - Step 6: Final answer
x = 6,523,836.09
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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.