Finding the Fourth Proportional to 11,493,403.80, 17,240,105.70 and 9,253,915.80
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Solution
The fourth proportional to 11,493,403.80, 17,240,105.70 and 9,253,915.80 is: 13,880,873.70
Step by Step Solution
- Step 1: Write the proportion equation
11,493,403.80 : 17,240,105.70 = 9,253,915.80 : x - Step 2: Convert to fraction form
11,493,403.80/17,240,105.70 = 9,253,915.80/x - Step 3: Cross multiply
11,493,403.80x = 17,240,105.70 × 9,253,915.80 - Step 4: Simplify right side
11,493,403.80x = 159,538,486,530,900.06 - Step 5: Solve for x
x = 159,538,486,530,900.06/11,493,403.80 - Step 6: Final answer
x = 13,880,873.70
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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.