Finding the Fourth Proportional to 27,453,198.24, 37,850,942.79 and 20,098,262.70
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Solution
The fourth proportional to 27,453,198.24, 37,850,942.79 and 20,098,262.70 is: 27,710,366.75
Step by Step Solution
- Step 1: Write the proportion equation
27,453,198.24 : 37,850,942.79 = 20,098,262.70 : x - Step 2: Convert to fraction form
27,453,198.24/37,850,942.79 = 20,098,262.70/x - Step 3: Cross multiply
27,453,198.24x = 37,850,942.79 × 20,098,262.70 - Step 4: Simplify right side
27,453,198.24x = 760,738,191,636,090.88 - Step 5: Solve for x
x = 760,738,191,636,090.88/27,453,198.24 - Step 6: Final answer
x = 27,710,366.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.