Finding the Fourth Proportional to 12,452,528.40, 18,664,795.80 and 6,384,915.60
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Solution
The fourth proportional to 12,452,528.40, 18,664,795.80 and 6,384,915.60 is: 9,570,196.67
Step by Step Solution
- Step 1: Write the proportion equation
12,452,528.40 : 18,664,795.80 = 6,384,915.60 : x - Step 2: Convert to fraction form
12,452,528.40/18,664,795.80 = 6,384,915.60/x - Step 3: Cross multiply
12,452,528.40x = 18,664,795.80 × 6,384,915.60 - Step 4: Simplify right side
12,452,528.40x = 119,173,145,874,234.48 - Step 5: Solve for x
x = 119,173,145,874,234.48/12,452,528.40 - Step 6: Final answer
x = 9,570,196.67
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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.