Finding the Fourth Proportional to 7,995,133.40, 11,033,284.05 and 4,324,049.91
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Solution
The fourth proportional to 7,995,133.40, 11,033,284.05 and 4,324,049.91 is: 5,967,188.86
Step by Step Solution
- Step 1: Write the proportion equation
7,995,133.40 : 11,033,284.05 = 4,324,049.91 : x - Step 2: Convert to fraction form
7,995,133.40/11,033,284.05 = 4,324,049.91/x - Step 3: Cross multiply
7,995,133.40x = 11,033,284.05 × 4,324,049.91 - Step 4: Simplify right side
7,995,133.40x = 47,708,470,903,406.94 - Step 5: Solve for x
x = 47,708,470,903,406.94/7,995,133.40 - Step 6: Final answer
x = 5,967,188.86
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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.