Finding the Fourth Proportional to 19,247,796.75, 26,555,420.37 and 10,981,920.90
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Solution
The fourth proportional to 19,247,796.75, 26,555,420.37 and 10,981,920.90 is: 15,151,319.90
Step by Step Solution
- Step 1: Write the proportion equation
19,247,796.75 : 26,555,420.37 = 10,981,920.90 : x - Step 2: Convert to fraction form
19,247,796.75/26,555,420.37 = 10,981,920.90/x - Step 3: Cross multiply
19,247,796.75x = 26,555,420.37 × 10,981,920.90 - Step 4: Simplify right side
19,247,796.75x = 291,629,525,969,588.75 - Step 5: Solve for x
x = 291,629,525,969,588.75/19,247,796.75 - Step 6: Final answer
x = 15,151,319.90
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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.