Finding the Fourth Proportional to 18,587,161.94, 27,869,917.23 and 7,214,324.54
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Solution
The fourth proportional to 18,587,161.94, 27,869,917.23 and 7,214,324.54 is: 10,817,284.98
Step by Step Solution
- Step 1: Write the proportion equation
18,587,161.94 : 27,869,917.23 = 7,214,324.54 : x - Step 2: Convert to fraction form
18,587,161.94/27,869,917.23 = 7,214,324.54/x - Step 3: Cross multiply
18,587,161.94x = 27,869,917.23 × 7,214,324.54 - Step 4: Simplify right side
18,587,161.94x = 201,062,627,660,808.25 - Step 5: Solve for x
x = 201,062,627,660,808.25/18,587,161.94 - Step 6: Final answer
x = 10,817,284.98
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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.