Finding the Fourth Proportional to 21,804,517.20, 32,698,902.60 and 11,018,233.20
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Solution
The fourth proportional to 21,804,517.20, 32,698,902.60 and 11,018,233.20 is: 16,523,371.32
Step by Step Solution
- Step 1: Write the proportion equation
21,804,517.20 : 32,698,902.60 = 11,018,233.20 : x - Step 2: Convert to fraction form
21,804,517.20/32,698,902.60 = 11,018,233.20/x - Step 3: Cross multiply
21,804,517.20x = 32,698,902.60 × 11,018,233.20 - Step 4: Simplify right side
21,804,517.20x = 360,284,134,230,886.31 - Step 5: Solve for x
x = 360,284,134,230,886.31/21,804,517.20 - Step 6: Final answer
x = 16,523,371.32
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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.