Finding the Fourth Proportional to 10,859,622.40, 16,291,620.60 and 3,183,252.40
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Solution
The fourth proportional to 10,859,622.40, 16,291,620.60 and 3,183,252.40 is: 4,775,519.67
Step by Step Solution
- Step 1: Write the proportion equation
10,859,622.40 : 16,291,620.60 = 3,183,252.40 : x - Step 2: Convert to fraction form
10,859,622.40/16,291,620.60 = 3,183,252.40/x - Step 3: Cross multiply
10,859,622.40x = 16,291,620.60 × 3,183,252.40 - Step 4: Simplify right side
10,859,622.40x = 51,860,340,374,839.44 - Step 5: Solve for x
x = 51,860,340,374,839.44/10,859,622.40 - Step 6: Final answer
x = 4,775,519.67
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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.