Finding the Fourth Proportional to 41,631,146.70, 62,452,668.69 and 12,879,736.62
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Solution
The fourth proportional to 41,631,146.70, 62,452,668.69 and 12,879,736.62 is: 19,321,445.30
Step by Step Solution
- Step 1: Write the proportion equation
41,631,146.70 : 62,452,668.69 = 12,879,736.62 : x - Step 2: Convert to fraction form
41,631,146.70/62,452,668.69 = 12,879,736.62/x - Step 3: Cross multiply
41,631,146.70x = 62,452,668.69 × 12,879,736.62 - Step 4: Simplify right side
41,631,146.70x = 804,373,923,943,320.38 - Step 5: Solve for x
x = 804,373,923,943,320.38/41,631,146.70 - Step 6: Final answer
x = 19,321,445.30
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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.