Finding the Fourth Proportional to 21,716,179.47, 32,574,250.66 and 5,542,129.44
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Solution
The fourth proportional to 21,716,179.47, 32,574,250.66 and 5,542,129.44 is: 8,313,189.43
Step by Step Solution
- Step 1: Write the proportion equation
21,716,179.47 : 32,574,250.66 = 5,542,129.44 : x - Step 2: Convert to fraction form
21,716,179.47/32,574,250.66 = 5,542,129.44/x - Step 3: Cross multiply
21,716,179.47x = 32,574,250.66 × 5,542,129.44 - Step 4: Simplify right side
21,716,179.47x = 180,530,713,568,725.44 - Step 5: Solve for x
x = 180,530,713,568,725.44/21,716,179.47 - Step 6: Final answer
x = 8,313,189.43
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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.