Finding the Fourth Proportional to 11,163,512.78, 16,734,640.28 and 3,585,164.12
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Solution
The fourth proportional to 11,163,512.78, 16,734,640.28 and 3,585,164.12 is: 5,374,332.71
Step by Step Solution
- Step 1: Write the proportion equation
11,163,512.78 : 16,734,640.28 = 3,585,164.12 : x - Step 2: Convert to fraction form
11,163,512.78/16,734,640.28 = 3,585,164.12/x - Step 3: Cross multiply
11,163,512.78x = 16,734,640.28 × 3,585,164.12 - Step 4: Simplify right side
11,163,512.78x = 59,996,431,892,962.75 - Step 5: Solve for x
x = 59,996,431,892,962.75/11,163,512.78 - Step 6: Final answer
x = 5,374,332.71
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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.