Finding the Fourth Proportional to 8,481,722.76, 12,722,524.74 and 3,432,960.36
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Solution
The fourth proportional to 8,481,722.76, 12,722,524.74 and 3,432,960.36 is: 5,149,416.50
Step by Step Solution
- Step 1: Write the proportion equation
8,481,722.76 : 12,722,524.74 = 3,432,960.36 : x - Step 2: Convert to fraction form
8,481,722.76/12,722,524.74 = 3,432,960.36/x - Step 3: Cross multiply
8,481,722.76x = 12,722,524.74 × 3,432,960.36 - Step 4: Simplify right side
8,481,722.76x = 43,675,923,111,539.30 - Step 5: Solve for x
x = 43,675,923,111,539.30/8,481,722.76 - Step 6: Final answer
x = 5,149,416.50
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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.