Finding the Fourth Proportional to 8,107,360.26, 11,188,408.11 and 4,436,431.54
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Solution
The fourth proportional to 8,107,360.26, 11,188,408.11 and 4,436,431.54 is: 6,122,412.85
Step by Step Solution
- Step 1: Write the proportion equation
8,107,360.26 : 11,188,408.11 = 4,436,431.54 : x - Step 2: Convert to fraction form
8,107,360.26/11,188,408.11 = 4,436,431.54/x - Step 3: Cross multiply
8,107,360.26x = 11,188,408.11 × 4,436,431.54 - Step 4: Simplify right side
8,107,360.26x = 49,636,606,621,595.79 - Step 5: Solve for x
x = 49,636,606,621,595.79/8,107,360.26 - Step 6: Final answer
x = 6,122,412.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.