Finding the Fourth Proportional to 18,292,519.44, 27,449,408.04 and 8,195,140.44
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Solution
The fourth proportional to 18,292,519.44, 27,449,408.04 and 8,195,140.44 is: 12,297,472.45
Step by Step Solution
- Step 1: Write the proportion equation
18,292,519.44 : 27,449,408.04 = 8,195,140.44 : x - Step 2: Convert to fraction form
18,292,519.44/27,449,408.04 = 8,195,140.44/x - Step 3: Cross multiply
18,292,519.44x = 27,449,408.04 × 8,195,140.44 - Step 4: Simplify right side
18,292,519.44x = 224,951,753,882,665.16 - Step 5: Solve for x
x = 224,951,753,882,665.16/18,292,519.44 - Step 6: Final answer
x = 12,297,472.45
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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.