Finding the Fourth Proportional to 18,441,163.64, 27,593,237.28 and 11,585,640.08
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Solution
The fourth proportional to 18,441,163.64, 27,593,237.28 and 11,585,640.08 is: 17,335,419.93
Step by Step Solution
- Step 1: Write the proportion equation
18,441,163.64 : 27,593,237.28 = 11,585,640.08 : x - Step 2: Convert to fraction form
18,441,163.64/27,593,237.28 = 11,585,640.08/x - Step 3: Cross multiply
18,441,163.64x = 27,593,237.28 × 11,585,640.08 - Step 4: Simplify right side
18,441,163.64x = 319,685,315,768,118.19 - Step 5: Solve for x
x = 319,685,315,768,118.19/18,441,163.64 - Step 6: Final answer
x = 17,335,419.93
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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.