Finding the Fourth Proportional to 21,448,354.10, 29,202,752.79 and 21,380,252.84
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Solution
The fourth proportional to 21,448,354.10, 29,202,752.79 and 21,380,252.84 is: 29,110,030.33
Step by Step Solution
- Step 1: Write the proportion equation
21,448,354.10 : 29,202,752.79 = 21,380,252.84 : x - Step 2: Convert to fraction form
21,448,354.10/29,202,752.79 = 21,380,252.84/x - Step 3: Cross multiply
21,448,354.10x = 29,202,752.79 × 21,380,252.84 - Step 4: Simplify right side
21,448,354.10x = 624,362,238,128,201.62 - Step 5: Solve for x
x = 624,362,238,128,201.62/21,448,354.10 - Step 6: Final answer
x = 29,110,030.33
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.