Finding the Fourth Proportional to 8,399,555.16, 12,601,170.24 and 2,720,353.56
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Solution
The fourth proportional to 8,399,555.16, 12,601,170.24 and 2,720,353.56 is: 4,081,125.45
Step by Step Solution
- Step 1: Write the proportion equation
8,399,555.16 : 12,601,170.24 = 2,720,353.56 : x - Step 2: Convert to fraction form
8,399,555.16/12,601,170.24 = 2,720,353.56/x - Step 3: Cross multiply
8,399,555.16x = 12,601,170.24 × 2,720,353.56 - Step 4: Simplify right side
8,399,555.16x = 34,279,638,322,550.05 - Step 5: Solve for x
x = 34,279,638,322,550.05/8,399,555.16 - Step 6: Final answer
x = 4,081,125.45
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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.