Finding the Fourth Proportional to 18,532,183.23, 27,798,859.87 and 6,402,337.65
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Solution
The fourth proportional to 18,532,183.23, 27,798,859.87 and 6,402,337.65 is: 9,603,708.58
Step by Step Solution
- Step 1: Write the proportion equation
18,532,183.23 : 27,798,859.87 = 6,402,337.65 : x - Step 2: Convert to fraction form
18,532,183.23/27,798,859.87 = 6,402,337.65/x - Step 3: Cross multiply
18,532,183.23x = 27,798,859.87 × 6,402,337.65 - Step 4: Simplify right side
18,532,183.23x = 177,977,687,156,769.28 - Step 5: Solve for x
x = 177,977,687,156,769.28/18,532,183.23 - Step 6: Final answer
x = 9,603,708.58
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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.