Finding the Fourth Proportional to 11,396,622.88, 15,727,336.50 and 6,239,982.88
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Solution
The fourth proportional to 11,396,622.88, 15,727,336.50 and 6,239,982.88 is: 8,611,174.69
Step by Step Solution
- Step 1: Write the proportion equation
11,396,622.88 : 15,727,336.50 = 6,239,982.88 : x - Step 2: Convert to fraction form
11,396,622.88/15,727,336.50 = 6,239,982.88/x - Step 3: Cross multiply
11,396,622.88x = 15,727,336.50 × 6,239,982.88 - Step 4: Simplify right side
11,396,622.88x = 98,138,310,507,999.12 - Step 5: Solve for x
x = 98,138,310,507,999.12/11,396,622.88 - Step 6: Final answer
x = 8,611,174.69
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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.