Finding the Fourth Proportional to 15,527,954.54, 23,322,198.48 and 12,651,447.09
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Solution
The fourth proportional to 15,527,954.54, 23,322,198.48 and 12,651,447.09 is: 19,001,830.49
Step by Step Solution
- Step 1: Write the proportion equation
15,527,954.54 : 23,322,198.48 = 12,651,447.09 : x - Step 2: Convert to fraction form
15,527,954.54/23,322,198.48 = 12,651,447.09/x - Step 3: Cross multiply
15,527,954.54x = 23,322,198.48 × 12,651,447.09 - Step 4: Simplify right side
15,527,954.54x = 295,059,560,001,026.38 - Step 5: Solve for x
x = 295,059,560,001,026.38/15,527,954.54 - Step 6: Final answer
x = 19,001,830.49
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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.