Finding the Fourth Proportional to 33,512,467.76, 46,247,817.99 and 18,629,189.18
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Solution
The fourth proportional to 33,512,467.76, 46,247,817.99 and 18,629,189.18 is: 25,708,621.54
Step by Step Solution
- Step 1: Write the proportion equation
33,512,467.76 : 46,247,817.99 = 18,629,189.18 : x - Step 2: Convert to fraction form
33,512,467.76/46,247,817.99 = 18,629,189.18/x - Step 3: Cross multiply
33,512,467.76x = 46,247,817.99 × 18,629,189.18 - Step 4: Simplify right side
33,512,467.76x = 861,559,350,497,917.38 - Step 5: Solve for x
x = 861,559,350,497,917.38/33,512,467.76 - Step 6: Final answer
x = 25,708,621.54
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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.