Finding the Fourth Proportional to 18,374,212.10, 27,561,318.15 and 9,416,260.10
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Solution
The fourth proportional to 18,374,212.10, 27,561,318.15 and 9,416,260.10 is: 14,124,390.15
Step by Step Solution
- Step 1: Write the proportion equation
18,374,212.10 : 27,561,318.15 = 9,416,260.10 : x - Step 2: Convert to fraction form
18,374,212.10/27,561,318.15 = 9,416,260.10/x - Step 3: Cross multiply
18,374,212.10x = 27,561,318.15 × 9,416,260.10 - Step 4: Simplify right side
18,374,212.10x = 259,524,540,399,250.78 - Step 5: Solve for x
x = 259,524,540,399,250.78/18,374,212.10 - Step 6: Final answer
x = 14,124,390.15
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1.5x scale
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.