Finding the Fourth Proportional to 8,246,630.64, 12,366,982.17 and 2,853,816.96
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Solution
The fourth proportional to 8,246,630.64, 12,366,982.17 and 2,853,816.96 is: 4,279,699.80
Step by Step Solution
- Step 1: Write the proportion equation
8,246,630.64 : 12,366,982.17 = 2,853,816.96 : x - Step 2: Convert to fraction form
8,246,630.64/12,366,982.17 = 2,853,816.96/x - Step 3: Cross multiply
8,246,630.64x = 12,366,982.17 × 2,853,816.96 - Step 4: Simplify right side
8,246,630.64x = 35,293,103,460,763.60 - Step 5: Solve for x
x = 35,293,103,460,763.60/8,246,630.64 - Step 6: Final answer
x = 4,279,699.80
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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.