Finding the Fourth Proportional to 22,469,921.52, 31,040,236.44 and 17,880,370.80
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Solution
The fourth proportional to 22,469,921.52, 31,040,236.44 and 17,880,370.80 is: 24,700,172.48
Step by Step Solution
- Step 1: Write the proportion equation
22,469,921.52 : 31,040,236.44 = 17,880,370.80 : x - Step 2: Convert to fraction form
22,469,921.52/31,040,236.44 = 17,880,370.80/x - Step 3: Cross multiply
22,469,921.52x = 31,040,236.44 × 17,880,370.80 - Step 4: Simplify right side
22,469,921.52x = 555,010,937,266,872 - Step 5: Solve for x
x = 555,010,937,266,872/22,469,921.52 - Step 6: Final answer
x = 24,700,172.48
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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.