Finding the Fourth Proportional to 7,918,361.38, 11,877,581.61 and 2,800,795.99
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Solution
The fourth proportional to 7,918,361.38, 11,877,581.61 and 2,800,795.99 is: 4,201,207.97
Step by Step Solution
- Step 1: Write the proportion equation
7,918,361.38 : 11,877,581.61 = 2,800,795.99 : x - Step 2: Convert to fraction form
7,918,361.38/11,877,581.61 = 2,800,795.99/x - Step 3: Cross multiply
7,918,361.38x = 11,877,581.61 × 2,800,795.99 - Step 4: Simplify right side
7,918,361.38x = 33,266,682,914,491.79 - Step 5: Solve for x
x = 33,266,682,914,491.79/7,918,361.38 - Step 6: Final answer
x = 4,201,207.97
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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.