Finding the Fourth Proportional to 38,239,214.19, 57,317,978.03 and 21,809,125.19
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Solution
The fourth proportional to 38,239,214.19, 57,317,978.03 and 21,809,125.19 is: 32,690,393.49
Step by Step Solution
- Step 1: Write the proportion equation
38,239,214.19 : 57,317,978.03 = 21,809,125.19 : x - Step 2: Convert to fraction form
38,239,214.19/57,317,978.03 = 21,809,125.19/x - Step 3: Cross multiply
38,239,214.19x = 57,317,978.03 × 21,809,125.19 - Step 4: Simplify right side
38,239,214.19x = 1,250,054,958,493,939.75 - Step 5: Solve for x
x = 1,250,054,958,493,939.75/38,239,214.19 - Step 6: Final answer
x = 32,690,393.49
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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.