Finding the Fourth Proportional to 7,984,239.63, 11,018,239.97 and 4,546,480.83
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Solution
The fourth proportional to 7,984,239.63, 11,018,239.97 and 4,546,480.83 is: 6,274,137.44
Step by Step Solution
- Step 1: Write the proportion equation
7,984,239.63 : 11,018,239.97 = 4,546,480.83 : x - Step 2: Convert to fraction form
7,984,239.63/11,018,239.97 = 4,546,480.83/x - Step 3: Cross multiply
7,984,239.63x = 11,018,239.97 × 4,546,480.83 - Step 4: Simplify right side
7,984,239.63x = 50,094,216,781,212.37 - Step 5: Solve for x
x = 50,094,216,781,212.37/7,984,239.63 - Step 6: Final answer
x = 6,274,137.44
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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.