Finding the Fourth Proportional to 7,338,840.24, 11,008,375.20 and 2,221,326.12
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Solution
The fourth proportional to 7,338,840.24, 11,008,375.20 and 2,221,326.12 is: 3,332,023.94
Step by Step Solution
- Step 1: Write the proportion equation
7,338,840.24 : 11,008,375.20 = 2,221,326.12 : x - Step 2: Convert to fraction form
7,338,840.24/11,008,375.20 = 2,221,326.12/x - Step 3: Cross multiply
7,338,840.24x = 11,008,375.20 × 2,221,326.12 - Step 4: Simplify right side
7,338,840.24x = 24,453,191,370,520.22 - Step 5: Solve for x
x = 24,453,191,370,520.22/7,338,840.24 - Step 6: Final answer
x = 3,332,023.94
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1.5x scale
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.