Finding the Fourth Proportional to 11,232,272.40, 16,848,408.60 and 9,216,733.20
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Solution
The fourth proportional to 11,232,272.40, 16,848,408.60 and 9,216,733.20 is: 13,825,099.80
Step by Step Solution
- Step 1: Write the proportion equation
11,232,272.40 : 16,848,408.60 = 9,216,733.20 : x - Step 2: Convert to fraction form
11,232,272.40/16,848,408.60 = 9,216,733.20/x - Step 3: Cross multiply
11,232,272.40x = 16,848,408.60 × 9,216,733.20 - Step 4: Simplify right side
11,232,272.40x = 155,287,286,910,785.53 - Step 5: Solve for x
x = 155,287,286,910,785.53/11,232,272.40 - Step 6: Final answer
x = 13,825,099.80
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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.