Finding the Fourth Proportional to 8,189,182.08, 12,258,578.88 and 5,343,166.08
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Solution
The fourth proportional to 8,189,182.08, 12,258,578.88 and 5,343,166.08 is: 7,998,310.73
Step by Step Solution
- Step 1: Write the proportion equation
8,189,182.08 : 12,258,578.88 = 5,343,166.08 : x - Step 2: Convert to fraction form
8,189,182.08/12,258,578.88 = 5,343,166.08/x - Step 3: Cross multiply
8,189,182.08x = 12,258,578.88 × 5,343,166.08 - Step 4: Simplify right side
8,189,182.08x = 65,499,622,860,620.40 - Step 5: Solve for x
x = 65,499,622,860,620.40/8,189,182.08 - Step 6: Final answer
x = 7,998,310.73
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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.