Finding the Fourth Proportional to 11,357,321.24, 15,673,022.20 and 6,200,682.64
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Solution
The fourth proportional to 11,357,321.24, 15,673,022.20 and 6,200,682.64 is: 8,556,897.75
Step by Step Solution
- Step 1: Write the proportion equation
11,357,321.24 : 15,673,022.20 = 6,200,682.64 : x - Step 2: Convert to fraction form
11,357,321.24/15,673,022.20 = 6,200,682.64/x - Step 3: Cross multiply
11,357,321.24x = 15,673,022.20 × 6,200,682.64 - Step 4: Simplify right side
11,357,321.24x = 97,183,436,640,442.91 - Step 5: Solve for x
x = 97,183,436,640,442.91/11,357,321.24 - Step 6: Final answer
x = 8,556,897.75
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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.