Finding the Fourth Proportional to 32,979,638.20, 49,394,807.70 and 19,542,710.20
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Solution
The fourth proportional to 32,979,638.20, 49,394,807.70 and 19,542,710.20 is: 29,269,830.26
Step by Step Solution
- Step 1: Write the proportion equation
32,979,638.20 : 49,394,807.70 = 19,542,710.20 : x - Step 2: Convert to fraction form
32,979,638.20/49,394,807.70 = 19,542,710.20/x - Step 3: Cross multiply
32,979,638.20x = 49,394,807.70 × 19,542,710.20 - Step 4: Simplify right side
32,979,638.20x = 965,308,412,265,828.50 - Step 5: Solve for x
x = 965,308,412,265,828.50/32,979,638.20 - Step 6: Final answer
x = 29,269,830.26
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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.