Finding the Fourth Proportional to 11,900,738.96, 16,423,366.20 and 6,743,929.04
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Solution
The fourth proportional to 11,900,738.96, 16,423,366.20 and 6,743,929.04 is: 9,306,818.39
Step by Step Solution
- Step 1: Write the proportion equation
11,900,738.96 : 16,423,366.20 = 6,743,929.04 : x - Step 2: Convert to fraction form
11,900,738.96/16,423,366.20 = 6,743,929.04/x - Step 3: Cross multiply
11,900,738.96x = 16,423,366.20 × 6,743,929.04 - Step 4: Simplify right side
11,900,738.96x = 110,758,016,250,734.44 - Step 5: Solve for x
x = 110,758,016,250,734.44/11,900,738.96 - Step 6: Final answer
x = 9,306,818.39
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1.5x scale
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.