Finding the Fourth Proportional to 8,458,857.02, 12,688,774.70 and 2,393,080.62
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Solution
The fourth proportional to 8,458,857.02, 12,688,774.70 and 2,393,080.62 is: 3,589,759.32
Step by Step Solution
- Step 1: Write the proportion equation
8,458,857.02 : 12,688,774.70 = 2,393,080.62 : x - Step 2: Convert to fraction form
8,458,857.02/12,688,774.70 = 2,393,080.62/x - Step 3: Cross multiply
8,458,857.02x = 12,688,774.70 × 2,393,080.62 - Step 4: Simplify right side
8,458,857.02x = 30,365,260,814,150.91 - Step 5: Solve for x
x = 30,365,260,814,150.91/8,458,857.02 - Step 6: Final answer
x = 3,589,759.32
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1.5x scale
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.