Finding the Fourth Proportional to 27,524,862.73, 37,984,447.74 and 15,135,755.14
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Solution
The fourth proportional to 27,524,862.73, 37,984,447.74 and 15,135,755.14 is: 20,887,417.52
Step by Step Solution
- Step 1: Write the proportion equation
27,524,862.73 : 37,984,447.74 = 15,135,755.14 : x - Step 2: Convert to fraction form
27,524,862.73/37,984,447.74 = 15,135,755.14/x - Step 3: Cross multiply
27,524,862.73x = 37,984,447.74 × 15,135,755.14 - Step 4: Simplify right side
27,524,862.73x = 574,923,300,120,766.50 - Step 5: Solve for x
x = 574,923,300,120,766.50/27,524,862.73 - Step 6: Final answer
x = 20,887,417.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.