Finding the Fourth Proportional to 18,860,738.95, 28,291,370.87 and 5,397,566.95
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Solution
The fourth proportional to 18,860,738.95, 28,291,370.87 and 5,397,566.95 is: 8,096,425.53
Step by Step Solution
- Step 1: Write the proportion equation
18,860,738.95 : 28,291,370.87 = 5,397,566.95 : x - Step 2: Convert to fraction form
18,860,738.95/28,291,370.87 = 5,397,566.95/x - Step 3: Cross multiply
18,860,738.95x = 28,291,370.87 × 5,397,566.95 - Step 4: Simplify right side
18,860,738.95x = 152,704,568,320,870.22 - Step 5: Solve for x
x = 152,704,568,320,870.22/18,860,738.95 - Step 6: Final answer
x = 8,096,425.53
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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.