Finding the Fourth Proportional to 13,213,776.44, 19,820,624.54 and 3,629,163.48
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Solution
The fourth proportional to 13,213,776.44, 19,820,624.54 and 3,629,163.48 is: 5,443,734.20
Step by Step Solution
- Step 1: Write the proportion equation
13,213,776.44 : 19,820,624.54 = 3,629,163.48 : x - Step 2: Convert to fraction form
13,213,776.44/19,820,624.54 = 3,629,163.48/x - Step 3: Cross multiply
13,213,776.44x = 19,820,624.54 × 3,629,163.48 - Step 4: Simplify right side
13,213,776.44x = 71,932,286,713,213.98 - Step 5: Solve for x
x = 71,932,286,713,213.98/13,213,776.44 - Step 6: Final answer
x = 5,443,734.20
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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.