Finding the Fourth Proportional to 62,180,540.20, 93,270,810.30 and 19,624,738.60
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Solution
The fourth proportional to 62,180,540.20, 93,270,810.30 and 19,624,738.60 is: 29,437,107.90
Step by Step Solution
- Step 1: Write the proportion equation
62,180,540.20 : 93,270,810.30 = 19,624,738.60 : x - Step 2: Convert to fraction form
62,180,540.20/93,270,810.30 = 19,624,738.60/x - Step 3: Cross multiply
62,180,540.20x = 93,270,810.30 × 19,624,738.60 - Step 4: Simplify right side
62,180,540.20x = 1,830,415,271,147,687.75 - Step 5: Solve for x
x = 1,830,415,271,147,687.75/62,180,540.20 - Step 6: Final answer
x = 29,437,107.90
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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.