Finding the Fourth Proportional to 13,491,571.48, 20,238,774.80 and 4,394,377.44
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Solution
The fourth proportional to 13,491,571.48, 20,238,774.80 and 4,394,377.44 is: 6,592,027.88
Step by Step Solution
- Step 1: Write the proportion equation
13,491,571.48 : 20,238,774.80 = 4,394,377.44 : x - Step 2: Convert to fraction form
13,491,571.48/20,238,774.80 = 4,394,377.44/x - Step 3: Cross multiply
13,491,571.48x = 20,238,774.80 × 4,394,377.44 - Step 4: Simplify right side
13,491,571.48x = 88,936,815,394,360.53 - Step 5: Solve for x
x = 88,936,815,394,360.53/13,491,571.48 - Step 6: Final answer
x = 6,592,027.88
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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.