Finding the Fourth Proportional to 11,640,180.24, 16,062,680.19 and 6,991,202.85
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Solution
The fourth proportional to 11,640,180.24, 16,062,680.19 and 6,991,202.85 is: 9,647,398.34
Step by Step Solution
- Step 1: Write the proportion equation
11,640,180.24 : 16,062,680.19 = 6,991,202.85 : x - Step 2: Convert to fraction form
11,640,180.24/16,062,680.19 = 6,991,202.85/x - Step 3: Cross multiply
11,640,180.24x = 16,062,680.19 × 6,991,202.85 - Step 4: Simplify right side
11,640,180.24x = 112,297,455,522,966.53 - Step 5: Solve for x
x = 112,297,455,522,966.53/11,640,180.24 - Step 6: Final answer
x = 9,647,398.34
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1.5x scale
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.