Finding the Fourth Proportional to 8,319,097.80, 12,459,984.30 and 6,826,105.80
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Solution
The fourth proportional to 8,319,097.80, 12,459,984.30 and 6,826,105.80 is: 10,223,845.56
Step by Step Solution
- Step 1: Write the proportion equation
8,319,097.80 : 12,459,984.30 = 6,826,105.80 : x - Step 2: Convert to fraction form
8,319,097.80/12,459,984.30 = 6,826,105.80/x - Step 3: Cross multiply
8,319,097.80x = 12,459,984.30 × 6,826,105.80 - Step 4: Simplify right side
8,319,097.80x = 85,053,171,098,138.94 - Step 5: Solve for x
x = 85,053,171,098,138.94/8,319,097.80 - Step 6: Final answer
x = 10,223,845.56
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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.