Finding the Fourth Proportional to 18,372,865.05, 27,561,014.37 and 5,419,028.34
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Solution
The fourth proportional to 18,372,865.05, 27,561,014.37 and 5,419,028.34 is: 8,129,048.87
Step by Step Solution
- Step 1: Write the proportion equation
18,372,865.05 : 27,561,014.37 = 5,419,028.34 : x - Step 2: Convert to fraction form
18,372,865.05/27,561,014.37 = 5,419,028.34/x - Step 3: Cross multiply
18,372,865.05x = 27,561,014.37 × 5,419,028.34 - Step 4: Simplify right side
18,372,865.05x = 149,353,917,950,177.25 - Step 5: Solve for x
x = 149,353,917,950,177.25/18,372,865.05 - Step 6: Final answer
x = 8,129,048.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.