Finding the Fourth Proportional to 18,246,029.67, 27,365,892.80 and 5,463,102.15
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Solution
The fourth proportional to 18,246,029.67, 27,365,892.80 and 5,463,102.15 is: 8,193,709.56
Step by Step Solution
- Step 1: Write the proportion equation
18,246,029.67 : 27,365,892.80 = 5,463,102.15 : x - Step 2: Convert to fraction form
18,246,029.67/27,365,892.80 = 5,463,102.15/x - Step 3: Cross multiply
18,246,029.67x = 27,365,892.80 × 5,463,102.15 - Step 4: Simplify right side
18,246,029.67x = 149,502,667,765,034.03 - Step 5: Solve for x
x = 149,502,667,765,034.03/18,246,029.67 - Step 6: Final answer
x = 8,193,709.56
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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.