Finding the Fourth Proportional to 18,242,493.48, 27,364,440.06 and 8,145,201.96
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Solution
The fourth proportional to 18,242,493.48, 27,364,440.06 and 8,145,201.96 is: 12,218,115.42
Step by Step Solution
- Step 1: Write the proportion equation
18,242,493.48 : 27,364,440.06 = 8,145,201.96 : x - Step 2: Convert to fraction form
18,242,493.48/27,364,440.06 = 8,145,201.96/x - Step 3: Cross multiply
18,242,493.48x = 27,364,440.06 × 8,145,201.96 - Step 4: Simplify right side
18,242,493.48x = 222,888,890,811,014.50 - Step 5: Solve for x
x = 222,888,890,811,014.50/18,242,493.48 - Step 6: Final answer
x = 12,218,115.42
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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.