Finding the Fourth Proportional to 8,193,772.40, 12,290,658.60 and 4,414,636.40
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Solution
The fourth proportional to 8,193,772.40, 12,290,658.60 and 4,414,636.40 is: 6,621,954.60
Step by Step Solution
- Step 1: Write the proportion equation
8,193,772.40 : 12,290,658.60 = 4,414,636.40 : x - Step 2: Convert to fraction form
8,193,772.40/12,290,658.60 = 4,414,636.40/x - Step 3: Cross multiply
8,193,772.40x = 12,290,658.60 × 4,414,636.40 - Step 4: Simplify right side
8,193,772.40x = 54,258,788,835,533.04 - Step 5: Solve for x
x = 54,258,788,835,533.04/8,193,772.40 - Step 6: Final answer
x = 6,621,954.60
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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.