Finding the Fourth Proportional to 14,767,900.49, 20,380,832.16 and 8,153,764.44
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Solution
The fourth proportional to 14,767,900.49, 20,380,832.16 and 8,153,764.44 is: 11,252,818.55
Step by Step Solution
- Step 1: Write the proportion equation
14,767,900.49 : 20,380,832.16 = 8,153,764.44 : x - Step 2: Convert to fraction form
14,767,900.49/20,380,832.16 = 8,153,764.44/x - Step 3: Cross multiply
14,767,900.49x = 20,380,832.16 × 8,153,764.44 - Step 4: Simplify right side
14,767,900.49x = 166,180,504,523,816.41 - Step 5: Solve for x
x = 166,180,504,523,816.41/14,767,900.49 - Step 6: Final answer
x = 11,252,818.55
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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.