Finding the Fourth Proportional to 18,497,599.36, 27,749,057.64 and 5,719,100.52
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Solution
The fourth proportional to 18,497,599.36, 27,749,057.64 and 5,719,100.52 is: 8,579,472.77
Step by Step Solution
- Step 1: Write the proportion equation
18,497,599.36 : 27,749,057.64 = 5,719,100.52 : x - Step 2: Convert to fraction form
18,497,599.36/27,749,057.64 = 5,719,100.52/x - Step 3: Cross multiply
18,497,599.36x = 27,749,057.64 × 5,719,100.52 - Step 4: Simplify right side
18,497,599.36x = 158,699,649,978,433.97 - Step 5: Solve for x
x = 158,699,649,978,433.97/18,497,599.36 - Step 6: Final answer
x = 8,579,472.77
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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.