Finding the Fourth Proportional to 23,579,394.64, 32,539,556.72 and 13,125,183.92
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Solution
The fourth proportional to 23,579,394.64, 32,539,556.72 and 13,125,183.92 is: 18,112,749.42
Step by Step Solution
- Step 1: Write the proportion equation
23,579,394.64 : 32,539,556.72 = 13,125,183.92 : x - Step 2: Convert to fraction form
23,579,394.64/32,539,556.72 = 13,125,183.92/x - Step 3: Cross multiply
23,579,394.64x = 32,539,556.72 × 13,125,183.92 - Step 4: Simplify right side
23,579,394.64x = 427,087,666,625,271.94 - Step 5: Solve for x
x = 427,087,666,625,271.94/23,579,394.64 - Step 6: Final answer
x = 18,112,749.42
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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.