Finding the Fourth Proportional to 8,424,367.48, 12,638,453.82 and 2,667,450.84
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Solution
The fourth proportional to 8,424,367.48, 12,638,453.82 and 2,667,450.84 is: 4,001,778.69
Step by Step Solution
- Step 1: Write the proportion equation
8,424,367.48 : 12,638,453.82 = 2,667,450.84 : x - Step 2: Convert to fraction form
8,424,367.48/12,638,453.82 = 2,667,450.84/x - Step 3: Cross multiply
8,424,367.48x = 12,638,453.82 × 2,667,450.84 - Step 4: Simplify right side
8,424,367.48x = 33,712,454,258,460.21 - Step 5: Solve for x
x = 33,712,454,258,460.21/8,424,367.48 - Step 6: Final answer
x = 4,001,778.69
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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.