Finding the Fourth Proportional to 13,836,163.80, 20,754,245.70 and 6,159,793.80
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Solution
The fourth proportional to 13,836,163.80, 20,754,245.70 and 6,159,793.80 is: 9,239,690.70
Step by Step Solution
- Step 1: Write the proportion equation
13,836,163.80 : 20,754,245.70 = 6,159,793.80 : x - Step 2: Convert to fraction form
13,836,163.80/20,754,245.70 = 6,159,793.80/x - Step 3: Cross multiply
13,836,163.80x = 20,754,245.70 × 6,159,793.80 - Step 4: Simplify right side
13,836,163.80x = 127,841,873,986,536.66 - Step 5: Solve for x
x = 127,841,873,986,536.66/13,836,163.80 - Step 6: Final answer
x = 9,239,690.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.