Finding the Fourth Proportional to 11,327,037.92, 15,631,236 and 6,170,403.20
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Solution
The fourth proportional to 11,327,037.92, 15,631,236 and 6,170,403.20 is: 8,515,114.84
Step by Step Solution
- Step 1: Write the proportion equation
11,327,037.92 : 15,631,236 = 6,170,403.20 : x - Step 2: Convert to fraction form
11,327,037.92/15,631,236 = 6,170,403.20/x - Step 3: Cross multiply
11,327,037.92x = 15,631,236 × 6,170,403.20 - Step 4: Simplify right side
11,327,037.92x = 96,451,028,634,355.20 - Step 5: Solve for x
x = 96,451,028,634,355.20/11,327,037.92 - Step 6: Final answer
x = 8,515,114.84
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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.