Finding the Fourth Proportional to 35,481,696.80, 53,222,545.20 and 18,475,584.80
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Solution
The fourth proportional to 35,481,696.80, 53,222,545.20 and 18,475,584.80 is: 27,713,377.20
Step by Step Solution
- Step 1: Write the proportion equation
35,481,696.80 : 53,222,545.20 = 18,475,584.80 : x - Step 2: Convert to fraction form
35,481,696.80/53,222,545.20 = 18,475,584.80/x - Step 3: Cross multiply
35,481,696.80x = 53,222,545.20 × 18,475,584.80 - Step 4: Simplify right side
35,481,696.80x = 983,317,647,114,433 - Step 5: Solve for x
x = 983,317,647,114,433/35,481,696.80 - Step 6: Final answer
x = 27,713,377.20
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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.