Finding the Fourth Proportional to 11,311,915.04, 15,610,311.44 and 6,155,187.68
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Solution
The fourth proportional to 11,311,915.04, 15,610,311.44 and 6,155,187.68 is: 8,494,087.55
Step by Step Solution
- Step 1: Write the proportion equation
11,311,915.04 : 15,610,311.44 = 6,155,187.68 : x - Step 2: Convert to fraction form
11,311,915.04/15,610,311.44 = 6,155,187.68/x - Step 3: Cross multiply
11,311,915.04x = 15,610,311.44 × 6,155,187.68 - Step 4: Simplify right side
11,311,915.04x = 96,084,396,656,451.05 - Step 5: Solve for x
x = 96,084,396,656,451.05/11,311,915.04 - Step 6: Final answer
x = 8,494,087.55
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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.