Finding the Fourth Proportional to 18,313,944.81, 25,273,181.35 and 10,053,801.33
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Solution
The fourth proportional to 18,313,944.81, 25,273,181.35 and 10,053,801.33 is: 13,874,211.53
Step by Step Solution
- Step 1: Write the proportion equation
18,313,944.81 : 25,273,181.35 = 10,053,801.33 : x - Step 2: Convert to fraction form
18,313,944.81/25,273,181.35 = 10,053,801.33/x - Step 3: Cross multiply
18,313,944.81x = 25,273,181.35 × 10,053,801.33 - Step 4: Simplify right side
18,313,944.81x = 254,091,544,269,961.22 - Step 5: Solve for x
x = 254,091,544,269,961.22/18,313,944.81 - Step 6: Final answer
x = 13,874,211.53
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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.