Finding the Fourth Proportional to 18,167,281.76, 27,135,111.20 and 16,435,492.16
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Solution
The fourth proportional to 18,167,281.76, 27,135,111.20 and 16,435,492.16 is: 24,548,466.48
Step by Step Solution
- Step 1: Write the proportion equation
18,167,281.76 : 27,135,111.20 = 16,435,492.16 : x - Step 2: Convert to fraction form
18,167,281.76/27,135,111.20 = 16,435,492.16/x - Step 3: Cross multiply
18,167,281.76x = 27,135,111.20 × 16,435,492.16 - Step 4: Simplify right side
18,167,281.76x = 445,978,907,388,328.19 - Step 5: Solve for x
x = 445,978,907,388,328.19/18,167,281.76 - Step 6: Final answer
x = 24,548,466.48
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.