Finding the Fourth Proportional to 8,190,625.06, 11,303,049.11 and 4,519,538.71
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Solution
The fourth proportional to 8,190,625.06, 11,303,049.11 and 4,519,538.71 is: 6,236,955.99
Step by Step Solution
- Step 1: Write the proportion equation
8,190,625.06 : 11,303,049.11 = 4,519,538.71 : x - Step 2: Convert to fraction form
8,190,625.06/11,303,049.11 = 4,519,538.71/x - Step 3: Cross multiply
8,190,625.06x = 11,303,049.11 × 4,519,538.71 - Step 4: Simplify right side
8,190,625.06x = 51,084,567,993,676.05 - Step 5: Solve for x
x = 51,084,567,993,676.05/8,190,625.06 - Step 6: Final answer
x = 6,236,955.99
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1.5x scale
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.