Finding the Fourth Proportional to 8,141,245.97, 11,235,285.91 and 4,877,990.63
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Solution
The fourth proportional to 8,141,245.97, 11,235,285.91 and 4,877,990.63 is: 6,731,846.65
Step by Step Solution
- Step 1: Write the proportion equation
8,141,245.97 : 11,235,285.91 = 4,877,990.63 : x - Step 2: Convert to fraction form
8,141,245.97/11,235,285.91 = 4,877,990.63/x - Step 3: Cross multiply
8,141,245.97x = 11,235,285.91 × 4,877,990.63 - Step 4: Simplify right side
8,141,245.97x = 54,805,619,410,244.27 - Step 5: Solve for x
x = 54,805,619,410,244.27/8,141,245.97 - Step 6: Final answer
x = 6,731,846.65
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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.