Finding the Fourth Proportional to 18,106,448.36, 24,987,201.54 and 10,372,165.16
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Solution
The fourth proportional to 18,106,448.36, 24,987,201.54 and 10,372,165.16 is: 14,313,761.38
Step by Step Solution
- Step 1: Write the proportion equation
18,106,448.36 : 24,987,201.54 = 10,372,165.16 : x - Step 2: Convert to fraction form
18,106,448.36/24,987,201.54 = 10,372,165.16/x - Step 3: Cross multiply
18,106,448.36x = 24,987,201.54 × 10,372,165.16 - Step 4: Simplify right side
18,106,448.36x = 259,171,381,259,086.34 - Step 5: Solve for x
x = 259,171,381,259,086.34/18,106,448.36 - Step 6: Final answer
x = 14,313,761.38
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1.5x scale
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.