Finding the Fourth Proportional to 27,844,644.18, 38,424,829.14 and 15,285,696.85
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Solution
The fourth proportional to 27,844,644.18, 38,424,829.14 and 15,285,696.85 is: 21,093,833.56
Step by Step Solution
- Step 1: Write the proportion equation
27,844,644.18 : 38,424,829.14 = 15,285,696.85 : x - Step 2: Convert to fraction form
27,844,644.18/38,424,829.14 = 15,285,696.85/x - Step 3: Cross multiply
27,844,644.18x = 38,424,829.14 × 15,285,696.85 - Step 4: Simplify right side
27,844,644.18x = 587,350,289,747,086.25 - Step 5: Solve for x
x = 587,350,289,747,086.25/27,844,644.18 - Step 6: Final answer
x = 21,093,833.56
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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.