Finding the Fourth Proportional to 11,819,186.29, 17,729,322.76 and 3,621,241.39
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Solution
The fourth proportional to 11,819,186.29, 17,729,322.76 and 3,621,241.39 is: 5,432,028.55
Step by Step Solution
- Step 1: Write the proportion equation
11,819,186.29 : 17,729,322.76 = 3,621,241.39 : x - Step 2: Convert to fraction form
11,819,186.29/17,729,322.76 = 3,621,241.39/x - Step 3: Cross multiply
11,819,186.29x = 17,729,322.76 × 3,621,241.39 - Step 4: Simplify right side
11,819,186.29x = 64,202,157,395,181.05 - Step 5: Solve for x
x = 64,202,157,395,181.05/11,819,186.29 - Step 6: Final answer
x = 5,432,028.55
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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.