Finding the Fourth Proportional to 18,532,183.61, 27,798,860.43 and 6,402,338.03
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Solution
The fourth proportional to 18,532,183.61, 27,798,860.43 and 6,402,338.03 is: 9,603,709.15
Step by Step Solution
- Step 1: Write the proportion equation
18,532,183.61 : 27,798,860.43 = 6,402,338.03 : x - Step 2: Convert to fraction form
18,532,183.61/27,798,860.43 = 6,402,338.03/x - Step 3: Cross multiply
18,532,183.61x = 27,798,860.43 × 6,402,338.03 - Step 4: Simplify right side
18,532,183.61x = 177,977,701,321,651.16 - Step 5: Solve for x
x = 177,977,701,321,651.16/18,532,183.61 - Step 6: Final answer
x = 9,603,709.15
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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.