Finding the Fourth Proportional to 7,128,758.70, 10,693,138.05 and 2,336,604.30
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Solution
The fourth proportional to 7,128,758.70, 10,693,138.05 and 2,336,604.30 is: 3,504,906.45
Step by Step Solution
- Step 1: Write the proportion equation
7,128,758.70 : 10,693,138.05 = 2,336,604.30 : x - Step 2: Convert to fraction form
7,128,758.70/10,693,138.05 = 2,336,604.30/x - Step 3: Cross multiply
7,128,758.70x = 10,693,138.05 × 2,336,604.30 - Step 4: Simplify right side
7,128,758.70x = 24,985,632,348,123.61 - Step 5: Solve for x
x = 24,985,632,348,123.61/7,128,758.70 - Step 6: Final answer
x = 3,504,906.45
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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.