Finding the Fourth Proportional to 35,246,873.21, 52,858,336.34 and 12,212,431.79
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Solution
The fourth proportional to 35,246,873.21, 52,858,336.34 and 12,212,431.79 is: 18,314,499.08
Step by Step Solution
- Step 1: Write the proportion equation
35,246,873.21 : 52,858,336.34 = 12,212,431.79 : x - Step 2: Convert to fraction form
35,246,873.21/52,858,336.34 = 12,212,431.79/x - Step 3: Cross multiply
35,246,873.21x = 52,858,336.34 × 12,212,431.79 - Step 4: Simplify right side
35,246,873.21x = 645,528,826,851,367.62 - Step 5: Solve for x
x = 645,528,826,851,367.62/35,246,873.21 - Step 6: Final answer
x = 18,314,499.08
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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.