Finding the Fourth Proportional to 22,347,556.47, 33,544,790.19 and 19,805,037.75
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Solution
The fourth proportional to 22,347,556.47, 33,544,790.19 and 19,805,037.75 is: 29,728,343.54
Step by Step Solution
- Step 1: Write the proportion equation
22,347,556.47 : 33,544,790.19 = 19,805,037.75 : x - Step 2: Convert to fraction form
22,347,556.47/33,544,790.19 = 19,805,037.75/x - Step 3: Cross multiply
22,347,556.47x = 33,544,790.19 × 19,805,037.75 - Step 4: Simplify right side
22,347,556.47x = 664,355,836,028,779.75 - Step 5: Solve for x
x = 664,355,836,028,779.75/22,347,556.47 - Step 6: Final answer
x = 29,728,343.54
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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.