Finding the Fourth Proportional to 11,775,043.22, 17,662,566.20 and 3,688,648.99
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Solution
The fourth proportional to 11,775,043.22, 17,662,566.20 and 3,688,648.99 is: 5,532,973.92
Step by Step Solution
- Step 1: Write the proportion equation
11,775,043.22 : 17,662,566.20 = 3,688,648.99 : x - Step 2: Convert to fraction form
11,775,043.22/17,662,566.20 = 3,688,648.99/x - Step 3: Cross multiply
11,775,043.22x = 17,662,566.20 × 3,688,648.99 - Step 4: Simplify right side
11,775,043.22x = 65,151,007,031,939.06 - Step 5: Solve for x
x = 65,151,007,031,939.06/11,775,043.22 - Step 6: Final answer
x = 5,532,973.92
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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.