Finding the Fourth Proportional to 18,416,589.44, 27,620,170.47 and 5,459,710.23
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Solution
The fourth proportional to 18,416,589.44, 27,620,170.47 and 5,459,710.23 is: 8,188,167.95
Step by Step Solution
- Step 1: Write the proportion equation
18,416,589.44 : 27,620,170.47 = 5,459,710.23 : x - Step 2: Convert to fraction form
18,416,589.44/27,620,170.47 = 5,459,710.23/x - Step 3: Cross multiply
18,416,589.44x = 27,620,170.47 × 5,459,710.23 - Step 4: Simplify right side
18,416,589.44x = 150,798,127,269,402.91 - Step 5: Solve for x
x = 150,798,127,269,402.91/18,416,589.44 - Step 6: Final answer
x = 8,188,167.95
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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.