Finding the Fourth Proportional to 18,086,516.40, 27,129,774.60 and 16,700,833.20
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Solution
The fourth proportional to 18,086,516.40, 27,129,774.60 and 16,700,833.20 is: 25,051,249.80
Step by Step Solution
- Step 1: Write the proportion equation
18,086,516.40 : 27,129,774.60 = 16,700,833.20 : x - Step 2: Convert to fraction form
18,086,516.40/27,129,774.60 = 16,700,833.20/x - Step 3: Cross multiply
18,086,516.40x = 27,129,774.60 × 16,700,833.20 - Step 4: Simplify right side
18,086,516.40x = 453,089,840,348,196.75 - Step 5: Solve for x
x = 453,089,840,348,196.75/18,086,516.40 - Step 6: Final answer
x = 25,051,249.80
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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.