Finding the Fourth Proportional to 8,226,245.98, 11,350,865.91 and 5,168,282.14
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Solution
The fourth proportional to 8,226,245.98, 11,350,865.91 and 5,168,282.14 is: 7,131,378.97
Step by Step Solution
- Step 1: Write the proportion equation
8,226,245.98 : 11,350,865.91 = 5,168,282.14 : x - Step 2: Convert to fraction form
8,226,245.98/11,350,865.91 = 5,168,282.14/x - Step 3: Cross multiply
8,226,245.98x = 11,350,865.91 × 5,168,282.14 - Step 4: Simplify right side
8,226,245.98x = 58,664,477,556,187.84 - Step 5: Solve for x
x = 58,664,477,556,187.84/8,226,245.98 - Step 6: Final answer
x = 7,131,378.97
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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.