Finding the Fourth Proportional to 8,522,794.20, 12,784,463.70 and 3,335,198.14
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Solution
The fourth proportional to 8,522,794.20, 12,784,463.70 and 3,335,198.14 is: 5,002,903.81
Step by Step Solution
- Step 1: Write the proportion equation
8,522,794.20 : 12,784,463.70 = 3,335,198.14 : x - Step 2: Convert to fraction form
8,522,794.20/12,784,463.70 = 3,335,198.14/x - Step 3: Cross multiply
8,522,794.20x = 12,784,463.70 × 3,335,198.14 - Step 4: Simplify right side
8,522,794.20x = 42,638,719,553,137.52 - Step 5: Solve for x
x = 42,638,719,553,137.52/8,522,794.20 - Step 6: Final answer
x = 5,002,903.81
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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.