Finding the Fourth Proportional to 18,352,014.08, 25,327,198.40 and 11,010,122.24
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Solution
The fourth proportional to 18,352,014.08, 25,327,198.40 and 11,010,122.24 is: 15,194,819.99
Step by Step Solution
- Step 1: Write the proportion equation
18,352,014.08 : 25,327,198.40 = 11,010,122.24 : x - Step 2: Convert to fraction form
18,352,014.08/25,327,198.40 = 11,010,122.24/x - Step 3: Cross multiply
18,352,014.08x = 25,327,198.40 × 11,010,122.24 - Step 4: Simplify right side
18,352,014.08x = 278,855,550,380,732.41 - Step 5: Solve for x
x = 278,855,550,380,732.41/18,352,014.08 - Step 6: Final answer
x = 15,194,819.99
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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.