Finding the Fourth Proportional to 12,233,809.80, 16,883,733.26 and 6,728,154.96
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Solution
The fourth proportional to 12,233,809.80, 16,883,733.26 and 6,728,154.96 is: 9,285,445.46
Step by Step Solution
- Step 1: Write the proportion equation
12,233,809.80 : 16,883,733.26 = 6,728,154.96 : x - Step 2: Convert to fraction form
12,233,809.80/16,883,733.26 = 6,728,154.96/x - Step 3: Cross multiply
12,233,809.80x = 16,883,733.26 × 6,728,154.96 - Step 4: Simplify right side
12,233,809.80x = 113,596,373,642,945.19 - Step 5: Solve for x
x = 113,596,373,642,945.19/12,233,809.80 - Step 6: Final answer
x = 9,285,445.46
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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.