Finding the Fourth Proportional to 16,738,639.60, 25,101,738.60 and 6,639,170.80
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Solution
The fourth proportional to 16,738,639.60, 25,101,738.60 and 6,639,170.80 is: 9,956,288.80
Step by Step Solution
- Step 1: Write the proportion equation
16,738,639.60 : 25,101,738.60 = 6,639,170.80 : x - Step 2: Convert to fraction form
16,738,639.60/25,101,738.60 = 6,639,170.80/x - Step 3: Cross multiply
16,738,639.60x = 25,101,738.60 × 6,639,170.80 - Step 4: Simplify right side
16,738,639.60x = 166,654,729,942,352.88 - Step 5: Solve for x
x = 166,654,729,942,352.88/16,738,639.60 - Step 6: Final answer
x = 9,956,288.80
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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.