Finding the Fourth Proportional to 14,351,245.44, 19,806,990.62 and 8,553,390.22
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Solution
The fourth proportional to 14,351,245.44, 19,806,990.62 and 8,553,390.22 is: 11,805,032.57
Step by Step Solution
- Step 1: Write the proportion equation
14,351,245.44 : 19,806,990.62 = 8,553,390.22 : x - Step 2: Convert to fraction form
14,351,245.44/19,806,990.62 = 8,553,390.22/x - Step 3: Cross multiply
14,351,245.44x = 19,806,990.62 × 8,553,390.22 - Step 4: Simplify right side
14,351,245.44x = 169,416,919,856,739.75 - Step 5: Solve for x
x = 169,416,919,856,739.75/14,351,245.44 - Step 6: Final answer
x = 11,805,032.57
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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.