Finding the Fourth Proportional to 18,337,791.79, 27,507,629.67 and 4,691,056.48
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Solution
The fourth proportional to 18,337,791.79, 27,507,629.67 and 4,691,056.48 is: 7,036,825.69
Step by Step Solution
- Step 1: Write the proportion equation
18,337,791.79 : 27,507,629.67 = 4,691,056.48 : x - Step 2: Convert to fraction form
18,337,791.79/27,507,629.67 = 4,691,056.48/x - Step 3: Cross multiply
18,337,791.79x = 27,507,629.67 × 4,691,056.48 - Step 4: Simplify right side
18,337,791.79x = 129,039,844,326,533.23 - Step 5: Solve for x
x = 129,039,844,326,533.23/18,337,791.79 - Step 6: Final answer
x = 7,036,825.69
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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.