Finding the Fourth Proportional to 11,072,272.40, 16,613,074.20 and 6,027,203.60
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Solution
The fourth proportional to 11,072,272.40, 16,613,074.20 and 6,027,203.60 is: 9,043,345.12
Step by Step Solution
- Step 1: Write the proportion equation
11,072,272.40 : 16,613,074.20 = 6,027,203.60 : x - Step 2: Convert to fraction form
11,072,272.40/16,613,074.20 = 6,027,203.60/x - Step 3: Cross multiply
11,072,272.40x = 16,613,074.20 × 6,027,203.60 - Step 4: Simplify right side
11,072,272.40x = 100,130,380,625,307.11 - Step 5: Solve for x
x = 100,130,380,625,307.11/11,072,272.40 - Step 6: Final answer
x = 9,043,345.12
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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.