Finding the Fourth Proportional to 18,205,238.62, 27,318,631.34 and 6,698,785.85
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Solution
The fourth proportional to 18,205,238.62, 27,318,631.34 and 6,698,785.85 is: 10,052,142.95
Step by Step Solution
- Step 1: Write the proportion equation
18,205,238.62 : 27,318,631.34 = 6,698,785.85 : x - Step 2: Convert to fraction form
18,205,238.62/27,318,631.34 = 6,698,785.85/x - Step 3: Cross multiply
18,205,238.62x = 27,318,631.34 × 6,698,785.85 - Step 4: Simplify right side
18,205,238.62x = 183,001,661,061,758.53 - Step 5: Solve for x
x = 183,001,661,061,758.53/18,205,238.62 - Step 6: Final answer
x = 10,052,142.95
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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.