Finding the Fourth Proportional to 18,321,739.10, 27,481,733.85 and 6,190,012.70
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Solution
The fourth proportional to 18,321,739.10, 27,481,733.85 and 6,190,012.70 is: 9,284,723.50
Step by Step Solution
- Step 1: Write the proportion equation
18,321,739.10 : 27,481,733.85 = 6,190,012.70 : x - Step 2: Convert to fraction form
18,321,739.10/27,481,733.85 = 6,190,012.70/x - Step 3: Cross multiply
18,321,739.10x = 27,481,733.85 × 6,190,012.70 - Step 4: Simplify right side
18,321,739.10x = 170,112,281,549,519.91 - Step 5: Solve for x
x = 170,112,281,549,519.91/18,321,739.10 - Step 6: Final answer
x = 9,284,723.50
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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.