Finding the Fourth Proportional to 18,467,490.08, 27,702,627.60 and 5,512,617.56
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Solution
The fourth proportional to 18,467,490.08, 27,702,627.60 and 5,512,617.56 is: 8,269,342.00
Step by Step Solution
- Step 1: Write the proportion equation
18,467,490.08 : 27,702,627.60 = 5,512,617.56 : x - Step 2: Convert to fraction form
18,467,490.08/27,702,627.60 = 5,512,617.56/x - Step 3: Cross multiply
18,467,490.08x = 27,702,627.60 × 5,512,617.56 - Step 4: Simplify right side
18,467,490.08x = 152,713,991,365,900.66 - Step 5: Solve for x
x = 152,713,991,365,900.66/18,467,490.08 - Step 6: Final answer
x = 8,269,342.00
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1.5x scale
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.