Finding the Fourth Proportional to 10,685,220.56, 14,743,431.24 and 6,332,391.44
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Solution
The fourth proportional to 10,685,220.56, 14,743,431.24 and 6,332,391.44 is: 8,737,412.32
Step by Step Solution
- Step 1: Write the proportion equation
10,685,220.56 : 14,743,431.24 = 6,332,391.44 : x - Step 2: Convert to fraction form
10,685,220.56/14,743,431.24 = 6,332,391.44/x - Step 3: Cross multiply
10,685,220.56x = 14,743,431.24 × 6,332,391.44 - Step 4: Simplify right side
10,685,220.56x = 93,361,177,780,404.59 - Step 5: Solve for x
x = 93,361,177,780,404.59/10,685,220.56 - Step 6: Final answer
x = 8,737,412.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.