Finding the Fourth Proportional to 6,777,880.56, 10,169,153.64 and 4,250,576.88
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Solution
The fourth proportional to 6,777,880.56, 10,169,153.64 and 4,250,576.88 is: 6,377,328.28
Step by Step Solution
- Step 1: Write the proportion equation
6,777,880.56 : 10,169,153.64 = 4,250,576.88 : x - Step 2: Convert to fraction form
6,777,880.56/10,169,153.64 = 4,250,576.88/x - Step 3: Cross multiply
6,777,880.56x = 10,169,153.64 × 4,250,576.88 - Step 4: Simplify right side
6,777,880.56x = 43,224,769,351,351.84 - Step 5: Solve for x
x = 43,224,769,351,351.84/6,777,880.56 - Step 6: Final answer
x = 6,377,328.28
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1.5x scale
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.