Finding the Fourth Proportional to 35,543,918.52, 49,050,674.26 and 19,862,943.12
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Solution
The fourth proportional to 35,543,918.52, 49,050,674.26 and 19,862,943.12 is: 27,410,898.78
Step by Step Solution
- Step 1: Write the proportion equation
35,543,918.52 : 49,050,674.26 = 19,862,943.12 : x - Step 2: Convert to fraction form
35,543,918.52/49,050,674.26 = 19,862,943.12/x - Step 3: Cross multiply
35,543,918.52x = 49,050,674.26 × 19,862,943.12 - Step 4: Simplify right side
35,543,918.52x = 974,290,752,651,744 - Step 5: Solve for x
x = 974,290,752,651,744/35,543,918.52 - Step 6: Final answer
x = 27,410,898.78
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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.