Finding the Fourth Proportional to 11,082,680.40, 15,297,582.92 and 6,500,853.84
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Solution
The fourth proportional to 11,082,680.40, 15,297,582.92 and 6,500,853.84 is: 8,973,221.92
Step by Step Solution
- Step 1: Write the proportion equation
11,082,680.40 : 15,297,582.92 = 6,500,853.84 : x - Step 2: Convert to fraction form
11,082,680.40/15,297,582.92 = 6,500,853.84/x - Step 3: Cross multiply
11,082,680.40x = 15,297,582.92 × 6,500,853.84 - Step 4: Simplify right side
11,082,680.40x = 99,447,350,668,200.41 - Step 5: Solve for x
x = 99,447,350,668,200.41/11,082,680.40 - Step 6: Final answer
x = 8,973,221.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.