Finding the Fourth Proportional to 18,177,563.91, 27,242,787.75 and 7,382,324.13
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Solution
The fourth proportional to 18,177,563.91, 27,242,787.75 and 7,382,324.13 is: 11,063,918.71
Step by Step Solution
- Step 1: Write the proportion equation
18,177,563.91 : 27,242,787.75 = 7,382,324.13 : x - Step 2: Convert to fraction form
18,177,563.91/27,242,787.75 = 7,382,324.13/x - Step 3: Cross multiply
18,177,563.91x = 27,242,787.75 × 7,382,324.13 - Step 4: Simplify right side
18,177,563.91x = 201,115,089,375,293.41 - Step 5: Solve for x
x = 201,115,089,375,293.41/18,177,563.91 - Step 6: Final answer
x = 11,063,918.71
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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.