Finding the Fourth Proportional to 8,180,907.12, 11,310,059.16 and 6,140,173.68
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Solution
The fourth proportional to 8,180,907.12, 11,310,059.16 and 6,140,173.68 is: 8,488,756.39
Step by Step Solution
- Step 1: Write the proportion equation
8,180,907.12 : 11,310,059.16 = 6,140,173.68 : x - Step 2: Convert to fraction form
8,180,907.12/11,310,059.16 = 6,140,173.68/x - Step 3: Cross multiply
8,180,907.12x = 11,310,059.16 × 6,140,173.68 - Step 4: Simplify right side
8,180,907.12x = 69,445,727,573,474.91 - Step 5: Solve for x
x = 69,445,727,573,474.91/8,180,907.12 - Step 6: Final answer
x = 8,488,756.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.