Finding the Fourth Proportional to 8,317,264.80, 12,457,234.80 and 6,824,272.80
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Solution
The fourth proportional to 8,317,264.80, 12,457,234.80 and 6,824,272.80 is: 10,221,096.80
Step by Step Solution
- Step 1: Write the proportion equation
8,317,264.80 : 12,457,234.80 = 6,824,272.80 : x - Step 2: Convert to fraction form
8,317,264.80/12,457,234.80 = 6,824,272.80/x - Step 3: Cross multiply
8,317,264.80x = 12,457,234.80 × 6,824,272.80 - Step 4: Simplify right side
8,317,264.80x = 85,011,568,608,853.44 - Step 5: Solve for x
x = 85,011,568,608,853.44/8,317,264.80 - Step 6: Final answer
x = 10,221,096.80
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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.