Finding the Fourth Proportional to 8,236,836.60, 12,355,886.34 and 2,771,958.12
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Solution
The fourth proportional to 8,236,836.60, 12,355,886.34 and 2,771,958.12 is: 4,158,149.68
Step by Step Solution
- Step 1: Write the proportion equation
8,236,836.60 : 12,355,886.34 = 2,771,958.12 : x - Step 2: Convert to fraction form
8,236,836.60/12,355,886.34 = 2,771,958.12/x - Step 3: Cross multiply
8,236,836.60x = 12,355,886.34 × 2,771,958.12 - Step 4: Simplify right side
8,236,836.60x = 34,249,999,469,960.08 - Step 5: Solve for x
x = 34,249,999,469,960.08/8,236,836.60 - Step 6: Final answer
x = 4,158,149.68
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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.