Finding the Fourth Proportional to 8,413,144.55, 12,621,414.48 and 2,656,777.08
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Solution
The fourth proportional to 8,413,144.55, 12,621,414.48 and 2,656,777.08 is: 3,985,701.72
Step by Step Solution
- Step 1: Write the proportion equation
8,413,144.55 : 12,621,414.48 = 2,656,777.08 : x - Step 2: Convert to fraction form
8,413,144.55/12,621,414.48 = 2,656,777.08/x - Step 3: Cross multiply
8,413,144.55x = 12,621,414.48 × 2,656,777.08 - Step 4: Simplify right side
8,413,144.55x = 33,532,284,694,360.23 - Step 5: Solve for x
x = 33,532,284,694,360.23/8,413,144.55 - Step 6: Final answer
x = 3,985,701.72
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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.