Finding the Fourth Proportional to 12,052,182.70, 18,078,421.11 and 3,532,691.44
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Solution
The fourth proportional to 12,052,182.70, 18,078,421.11 and 3,532,691.44 is: 5,299,080.27
Step by Step Solution
- Step 1: Write the proportion equation
12,052,182.70 : 18,078,421.11 = 3,532,691.44 : x - Step 2: Convert to fraction form
12,052,182.70/18,078,421.11 = 3,532,691.44/x - Step 3: Cross multiply
12,052,182.70x = 18,078,421.11 × 3,532,691.44 - Step 4: Simplify right side
12,052,182.70x = 63,865,483,504,012.30 - Step 5: Solve for x
x = 63,865,483,504,012.30/12,052,182.70 - Step 6: Final answer
x = 5,299,080.27
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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.