Finding the Fourth Proportional to 18,306,408.16, 27,464,051.76 and 5,526,149.44
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Solution
The fourth proportional to 18,306,408.16, 27,464,051.76 and 5,526,149.44 is: 8,290,564.32
Step by Step Solution
- Step 1: Write the proportion equation
18,306,408.16 : 27,464,051.76 = 5,526,149.44 : x - Step 2: Convert to fraction form
18,306,408.16/27,464,051.76 = 5,526,149.44/x - Step 3: Cross multiply
18,306,408.16x = 27,464,051.76 × 5,526,149.44 - Step 4: Simplify right side
18,306,408.16x = 151,770,454,253,655.03 - Step 5: Solve for x
x = 151,770,454,253,655.03/18,306,408.16 - Step 6: Final answer
x = 8,290,564.32
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1.5x scale
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.