Finding the Fourth Proportional to 11,571,540.39, 15,968,942.24 and 6,344,202.15
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Solution
The fourth proportional to 11,571,540.39, 15,968,942.24 and 6,344,202.15 is: 8,755,117.66
Step by Step Solution
- Step 1: Write the proportion equation
11,571,540.39 : 15,968,942.24 = 6,344,202.15 : x - Step 2: Convert to fraction form
11,571,540.39/15,968,942.24 = 6,344,202.15/x - Step 3: Cross multiply
11,571,540.39x = 15,968,942.24 × 6,344,202.15 - Step 4: Simplify right side
11,571,540.39x = 101,310,197,660,512.81 - Step 5: Solve for x
x = 101,310,197,660,512.81/11,571,540.39 - Step 6: Final answer
x = 8,755,117.66
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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.