Finding the Fourth Proportional to 18,214,795.22, 27,318,169.35 and 5,258,129.99
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Solution
The fourth proportional to 18,214,795.22, 27,318,169.35 and 5,258,129.99 is: 7,886,033.51
Step by Step Solution
- Step 1: Write the proportion equation
18,214,795.22 : 27,318,169.35 = 5,258,129.99 : x - Step 2: Convert to fraction form
18,214,795.22/27,318,169.35 = 5,258,129.99/x - Step 3: Cross multiply
18,214,795.22x = 27,318,169.35 × 5,258,129.99 - Step 4: Simplify right side
18,214,795.22x = 143,642,485,394,542.97 - Step 5: Solve for x
x = 143,642,485,394,542.97/18,214,795.22 - Step 6: Final answer
x = 7,886,033.51
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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.