Finding the Fourth Proportional to 11,276,793.62, 15,562,091.49 and 6,120,199.70
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Solution
The fourth proportional to 11,276,793.62, 15,562,091.49 and 6,120,199.70 is: 8,445,938.70
Step by Step Solution
- Step 1: Write the proportion equation
11,276,793.62 : 15,562,091.49 = 6,120,199.70 : x - Step 2: Convert to fraction form
11,276,793.62/15,562,091.49 = 6,120,199.70/x - Step 3: Cross multiply
11,276,793.62x = 15,562,091.49 × 6,120,199.70 - Step 4: Simplify right side
11,276,793.62x = 95,243,107,668,470.56 - Step 5: Solve for x
x = 95,243,107,668,470.56/11,276,793.62 - Step 6: Final answer
x = 8,445,938.70
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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.