Finding the Fourth Proportional to 18,169,130.24, 25,081,795.68 and 11,201,052.96
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Solution
The fourth proportional to 18,169,130.24, 25,081,795.68 and 11,201,052.96 is: 15,462,629.09
Step by Step Solution
- Step 1: Write the proportion equation
18,169,130.24 : 25,081,795.68 = 11,201,052.96 : x - Step 2: Convert to fraction form
18,169,130.24/25,081,795.68 = 11,201,052.96/x - Step 3: Cross multiply
18,169,130.24x = 25,081,795.68 × 11,201,052.96 - Step 4: Simplify right side
18,169,130.24x = 280,942,521,743,579.22 - Step 5: Solve for x
x = 280,942,521,743,579.22/18,169,130.24 - Step 6: Final answer
x = 15,462,629.09
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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.