Finding the Fourth Proportional to 18,404,576.08, 25,395,327.96 and 10,668,107.44
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Solution
The fourth proportional to 18,404,576.08, 25,395,327.96 and 10,668,107.44 is: 14,720,256.85
Step by Step Solution
- Step 1: Write the proportion equation
18,404,576.08 : 25,395,327.96 = 10,668,107.44 : x - Step 2: Convert to fraction form
18,404,576.08/25,395,327.96 = 10,668,107.44/x - Step 3: Cross multiply
18,404,576.08x = 25,395,327.96 × 10,668,107.44 - Step 4: Simplify right side
18,404,576.08x = 270,920,087,151,316.03 - Step 5: Solve for x
x = 270,920,087,151,316.03/18,404,576.08 - Step 6: Final answer
x = 14,720,256.85
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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.