Finding the Fourth Proportional to 8,229,497.16, 12,339,745.92 and 6,534,528.42
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Solution
The fourth proportional to 8,229,497.16, 12,339,745.92 and 6,534,528.42 is: 9,798,219.60
Step by Step Solution
- Step 1: Write the proportion equation
8,229,497.16 : 12,339,745.92 = 6,534,528.42 : x - Step 2: Convert to fraction form
8,229,497.16/12,339,745.92 = 6,534,528.42/x - Step 3: Cross multiply
8,229,497.16x = 12,339,745.92 × 6,534,528.42 - Step 4: Simplify right side
8,229,497.16x = 80,634,420,409,819.05 - Step 5: Solve for x
x = 80,634,420,409,819.05/8,229,497.16 - Step 6: Final answer
x = 9,798,219.60
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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.