Finding the Fourth Proportional to 18,372,224.10, 27,558,336.15 and 11,989,683.30
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Solution
The fourth proportional to 18,372,224.10, 27,558,336.15 and 11,989,683.30 is: 17,984,524.95
Step by Step Solution
- Step 1: Write the proportion equation
18,372,224.10 : 27,558,336.15 = 11,989,683.30 : x - Step 2: Convert to fraction form
18,372,224.10/27,558,336.15 = 11,989,683.30/x - Step 3: Cross multiply
18,372,224.10x = 27,558,336.15 × 11,989,683.30 - Step 4: Simplify right side
18,372,224.10x = 330,415,722,713,441.31 - Step 5: Solve for x
x = 330,415,722,713,441.31/18,372,224.10 - Step 6: Final answer
x = 17,984,524.95
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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.