Finding the Fourth Proportional to 19,493,181.56, 29,197,732.93 and 18,347,163.49
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Solution
The fourth proportional to 19,493,181.56, 29,197,732.93 and 18,347,163.49 is: 27,481,177.35
Step by Step Solution
- Step 1: Write the proportion equation
19,493,181.56 : 29,197,732.93 = 18,347,163.49 : x - Step 2: Convert to fraction form
19,493,181.56/29,197,732.93 = 18,347,163.49/x - Step 3: Cross multiply
19,493,181.56x = 29,197,732.93 × 18,347,163.49 - Step 4: Simplify right side
19,493,181.56x = 535,695,579,458,078.06 - Step 5: Solve for x
x = 535,695,579,458,078.06/19,493,181.56 - Step 6: Final answer
x = 27,481,177.35
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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.