Finding the Fourth Proportional to 18,170,878.26, 27,268,438.37 and 9,425,217.14
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Solution
The fourth proportional to 18,170,878.26, 27,268,438.37 and 9,425,217.14 is: 14,144,112.85
Step by Step Solution
- Step 1: Write the proportion equation
18,170,878.26 : 27,268,438.37 = 9,425,217.14 : x - Step 2: Convert to fraction form
18,170,878.26/27,268,438.37 = 9,425,217.14/x - Step 3: Cross multiply
18,170,878.26x = 27,268,438.37 × 9,425,217.14 - Step 4: Simplify right side
18,170,878.26x = 257,010,952,705,957.69 - Step 5: Solve for x
x = 257,010,952,705,957.69/18,170,878.26 - Step 6: Final answer
x = 14,144,112.85
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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.