Finding the Fourth Proportional to 21,248,622.09, 29,319,440.27 and 11,954,902.41
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Solution
The fourth proportional to 21,248,622.09, 29,319,440.27 and 11,954,902.41 is: 16,495,707.14
Step by Step Solution
- Step 1: Write the proportion equation
21,248,622.09 : 29,319,440.27 = 11,954,902.41 : x - Step 2: Convert to fraction form
21,248,622.09/29,319,440.27 = 11,954,902.41/x - Step 3: Cross multiply
21,248,622.09x = 29,319,440.27 × 11,954,902.41 - Step 4: Simplify right side
21,248,622.09x = 350,511,047,083,899.56 - Step 5: Solve for x
x = 350,511,047,083,899.56/21,248,622.09 - Step 6: Final answer
x = 16,495,707.14
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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.