Finding the Fourth Proportional to 7,748,226.70, 11,622,339.98 and 2,824,627.66
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Solution
The fourth proportional to 7,748,226.70, 11,622,339.98 and 2,824,627.66 is: 4,236,941.46
Step by Step Solution
- Step 1: Write the proportion equation
7,748,226.70 : 11,622,339.98 = 2,824,627.66 : x - Step 2: Convert to fraction form
7,748,226.70/11,622,339.98 = 2,824,627.66/x - Step 3: Cross multiply
7,748,226.70x = 11,622,339.98 × 2,824,627.66 - Step 4: Simplify right side
7,748,226.70x = 32,828,782,981,431.85 - Step 5: Solve for x
x = 32,828,782,981,431.85/7,748,226.70 - Step 6: Final answer
x = 4,236,941.46
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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.