Finding the Fourth Proportional to 35,736,571.29, 53,469,583.99 and 21,171,308.18
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Solution
The fourth proportional to 35,736,571.29, 53,469,583.99 and 21,171,308.18 is: 31,676,822.92
Step by Step Solution
- Step 1: Write the proportion equation
35,736,571.29 : 53,469,583.99 = 21,171,308.18 : x - Step 2: Convert to fraction form
35,736,571.29/53,469,583.99 = 21,171,308.18/x - Step 3: Cross multiply
35,736,571.29x = 53,469,583.99 × 21,171,308.18 - Step 4: Simplify right side
35,736,571.29x = 1,132,021,040,588,407.75 - Step 5: Solve for x
x = 1,132,021,040,588,407.75/35,736,571.29 - Step 6: Final answer
x = 31,676,822.92
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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.