Finding the Fourth Proportional to 8,157,288.06, 11,256,832.87 and 4,486,205.97
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Solution
The fourth proportional to 8,157,288.06, 11,256,832.87 and 4,486,205.97 is: 6,190,840.69
Step by Step Solution
- Step 1: Write the proportion equation
8,157,288.06 : 11,256,832.87 = 4,486,205.97 : x - Step 2: Convert to fraction form
8,157,288.06/11,256,832.87 = 4,486,205.97/x - Step 3: Cross multiply
8,157,288.06x = 11,256,832.87 × 4,486,205.97 - Step 4: Simplify right side
8,157,288.06x = 50,500,470,824,686.23 - Step 5: Solve for x
x = 50,500,470,824,686.23/8,157,288.06 - Step 6: Final answer
x = 6,190,840.69
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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.