Finding the Fourth Proportional to 18,148,334.99, 27,233,850.78 and 7,365,634.43
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Solution
The fourth proportional to 18,148,334.99, 27,233,850.78 and 7,365,634.43 is: 11,053,057.43
Step by Step Solution
- Step 1: Write the proportion equation
18,148,334.99 : 27,233,850.78 = 7,365,634.43 : x - Step 2: Convert to fraction form
18,148,334.99/27,233,850.78 = 7,365,634.43/x - Step 3: Cross multiply
18,148,334.99x = 27,233,850.78 × 7,365,634.43 - Step 4: Simplify right side
18,148,334.99x = 200,594,588,830,481.09 - Step 5: Solve for x
x = 200,594,588,830,481.09/18,148,334.99 - Step 6: Final answer
x = 11,053,057.43
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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.