Finding the Fourth Proportional to 21,590,348.97, 29,794,609.25 and 11,800,787.49
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Solution
The fourth proportional to 21,590,348.97, 29,794,609.25 and 11,800,787.49 is: 16,285,047.20
Step by Step Solution
- Step 1: Write the proportion equation
21,590,348.97 : 29,794,609.25 = 11,800,787.49 : x - Step 2: Convert to fraction form
21,590,348.97/29,794,609.25 = 11,800,787.49/x - Step 3: Cross multiply
21,590,348.97x = 29,794,609.25 × 11,800,787.49 - Step 4: Simplify right side
21,590,348.97x = 351,599,852,047,834.38 - Step 5: Solve for x
x = 351,599,852,047,834.38/21,590,348.97 - Step 6: Final answer
x = 16,285,047.20
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1.5x scale
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.