Finding the Fourth Proportional to 8,338,483.44, 11,505,470.64 and 5,239,211.04
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Solution
The fourth proportional to 8,338,483.44, 11,505,470.64 and 5,239,211.04 is: 7,229,082.99
Step by Step Solution
- Step 1: Write the proportion equation
8,338,483.44 : 11,505,470.64 = 5,239,211.04 : x - Step 2: Convert to fraction form
8,338,483.44/11,505,470.64 = 5,239,211.04/x - Step 3: Cross multiply
8,338,483.44x = 11,505,470.64 × 5,239,211.04 - Step 4: Simplify right side
8,338,483.44x = 60,279,588,797,483.87 - Step 5: Solve for x
x = 60,279,588,797,483.87/8,338,483.44 - Step 6: Final answer
x = 7,229,082.99
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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.