Finding the Fourth Proportional to 21,716,178.53, 32,574,249.26 and 5,542,128.50
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Solution
The fourth proportional to 21,716,178.53, 32,574,249.26 and 5,542,128.50 is: 8,313,188.01
Step by Step Solution
- Step 1: Write the proportion equation
21,716,178.53 : 32,574,249.26 = 5,542,128.50 : x - Step 2: Convert to fraction form
21,716,178.53/32,574,249.26 = 5,542,128.50/x - Step 3: Cross multiply
21,716,178.53x = 32,574,249.26 × 5,542,128.50 - Step 4: Simplify right side
21,716,178.53x = 180,530,675,020,151 - Step 5: Solve for x
x = 180,530,675,020,151/21,716,178.53 - Step 6: Final answer
x = 8,313,188.01
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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.