Finding the Fourth Proportional to 11,556,246.46, 15,948,121.45 and 6,399,608.03
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Solution
The fourth proportional to 11,556,246.46, 15,948,121.45 and 6,399,608.03 is: 8,831,736.71
Step by Step Solution
- Step 1: Write the proportion equation
11,556,246.46 : 15,948,121.45 = 6,399,608.03 : x - Step 2: Convert to fraction form
11,556,246.46/15,948,121.45 = 6,399,608.03/x - Step 3: Cross multiply
11,556,246.46x = 15,948,121.45 × 6,399,608.03 - Step 4: Simplify right side
11,556,246.46x = 102,061,726,094,835.25 - Step 5: Solve for x
x = 102,061,726,094,835.25/11,556,246.46 - Step 6: Final answer
x = 8,831,736.71
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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.