Finding the Fourth Proportional to 35,643,949.50, 49,180,218.81 and 20,174,034.14
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Solution
The fourth proportional to 35,643,949.50, 49,180,218.81 and 20,174,034.14 is: 27,835,394.99
Step by Step Solution
- Step 1: Write the proportion equation
35,643,949.50 : 49,180,218.81 = 20,174,034.14 : x - Step 2: Convert to fraction form
35,643,949.50/49,180,218.81 = 20,174,034.14/x - Step 3: Cross multiply
35,643,949.50x = 49,180,218.81 × 20,174,034.14 - Step 4: Simplify right side
35,643,949.50x = 992,163,413,285,610.25 - Step 5: Solve for x
x = 992,163,413,285,610.25/35,643,949.50 - Step 6: Final answer
x = 27,835,394.99
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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.