Finding the Fourth Proportional to 23,253,937.44, 32,090,201.64 and 12,940,483.92
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Solution
The fourth proportional to 23,253,937.44, 32,090,201.64 and 12,940,483.92 is: 17,857,738.69
Step by Step Solution
- Step 1: Write the proportion equation
23,253,937.44 : 32,090,201.64 = 12,940,483.92 : x - Step 2: Convert to fraction form
23,253,937.44/32,090,201.64 = 12,940,483.92/x - Step 3: Cross multiply
23,253,937.44x = 32,090,201.64 × 12,940,483.92 - Step 4: Simplify right side
23,253,937.44x = 415,262,738,311,977.62 - Step 5: Solve for x
x = 415,262,738,311,977.62/23,253,937.44 - Step 6: Final answer
x = 17,857,738.69
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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.