Finding the Fourth Proportional to 18,565,536.73, 27,848,305.10 and 4,920,789.05
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Solution
The fourth proportional to 18,565,536.73, 27,848,305.10 and 4,920,789.05 is: 7,381,183.58
Step by Step Solution
- Step 1: Write the proportion equation
18,565,536.73 : 27,848,305.10 = 4,920,789.05 : x - Step 2: Convert to fraction form
18,565,536.73/27,848,305.10 = 4,920,789.05/x - Step 3: Cross multiply
18,565,536.73x = 27,848,305.10 × 4,920,789.05 - Step 4: Simplify right side
18,565,536.73x = 137,035,634,797,139.16 - Step 5: Solve for x
x = 137,035,634,797,139.16/18,565,536.73 - Step 6: Final answer
x = 7,381,183.58
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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.