Finding the Fourth Proportional to 7,457,040.05, 11,131,120.96 and 6,398,881.97
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Solution
The fourth proportional to 7,457,040.05, 11,131,120.96 and 6,398,881.97 is: 9,551,608.78
Step by Step Solution
- Step 1: Write the proportion equation
7,457,040.05 : 11,131,120.96 = 6,398,881.97 : x - Step 2: Convert to fraction form
7,457,040.05/11,131,120.96 = 6,398,881.97/x - Step 3: Cross multiply
7,457,040.05x = 11,131,120.96 × 6,398,881.97 - Step 4: Simplify right side
7,457,040.05x = 71,226,729,145,180.28 - Step 5: Solve for x
x = 71,226,729,145,180.28/7,457,040.05 - Step 6: Final answer
x = 9,551,608.78
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.