Finding the Fourth Proportional to 23,191,850.28, 32,005,137.92 and 12,738,832.68
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Solution
The fourth proportional to 23,191,850.28, 32,005,137.92 and 12,738,832.68 is: 17,579,800.32
Step by Step Solution
- Step 1: Write the proportion equation
23,191,850.28 : 32,005,137.92 = 12,738,832.68 : x - Step 2: Convert to fraction form
23,191,850.28/32,005,137.92 = 12,738,832.68/x - Step 3: Cross multiply
23,191,850.28x = 32,005,137.92 × 12,738,832.68 - Step 4: Simplify right side
23,191,850.28x = 407,708,096,863,203.25 - Step 5: Solve for x
x = 407,708,096,863,203.25/23,191,850.28 - Step 6: Final answer
x = 17,579,800.32
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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.