Finding the Fourth Proportional to 13,269,640.08, 18,311,514.24 and 7,389,577.56
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Solution
The fourth proportional to 13,269,640.08, 18,311,514.24 and 7,389,577.56 is: 10,197,288.99
Step by Step Solution
- Step 1: Write the proportion equation
13,269,640.08 : 18,311,514.24 = 7,389,577.56 : x - Step 2: Convert to fraction form
13,269,640.08/18,311,514.24 = 7,389,577.56/x - Step 3: Cross multiply
13,269,640.08x = 18,311,514.24 × 7,389,577.56 - Step 4: Simplify right side
13,269,640.08x = 135,314,354,717,524.44 - Step 5: Solve for x
x = 135,314,354,717,524.44/13,269,640.08 - Step 6: Final answer
x = 10,197,288.99
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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.