Finding the Fourth Proportional to 9,160,769.80, 13,741,154.70 and 3,177,137.80
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Solution
The fourth proportional to 9,160,769.80, 13,741,154.70 and 3,177,137.80 is: 4,765,706.70
Step by Step Solution
- Step 1: Write the proportion equation
9,160,769.80 : 13,741,154.70 = 3,177,137.80 : x - Step 2: Convert to fraction form
9,160,769.80/13,741,154.70 = 3,177,137.80/x - Step 3: Cross multiply
9,160,769.80x = 13,741,154.70 × 3,177,137.80 - Step 4: Simplify right side
9,160,769.80x = 43,657,542,013,017.66 - Step 5: Solve for x
x = 43,657,542,013,017.66/9,160,769.80 - Step 6: Final answer
x = 4,765,706.70
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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.