Finding the Fourth Proportional to 14,517,435.60, 20,035,968.84 and 8,324,905.68
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Solution
The fourth proportional to 14,517,435.60, 20,035,968.84 and 8,324,905.68 is: 11,489,463.80
Step by Step Solution
- Step 1: Write the proportion equation
14,517,435.60 : 20,035,968.84 = 8,324,905.68 : x - Step 2: Convert to fraction form
14,517,435.60/20,035,968.84 = 8,324,905.68/x - Step 3: Cross multiply
14,517,435.60x = 20,035,968.84 × 8,324,905.68 - Step 4: Simplify right side
14,517,435.60x = 166,797,550,800,419 - Step 5: Solve for x
x = 166,797,550,800,419/14,517,435.60 - Step 6: Final answer
x = 11,489,463.80
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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.