Finding the Fourth Proportional to 13,735,348.56, 18,954,793.08 and 8,231,920.08
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Solution
The fourth proportional to 13,735,348.56, 18,954,793.08 and 8,231,920.08 is: 11,360,056.94
Step by Step Solution
- Step 1: Write the proportion equation
13,735,348.56 : 18,954,793.08 = 8,231,920.08 : x - Step 2: Convert to fraction form
13,735,348.56/18,954,793.08 = 8,231,920.08/x - Step 3: Cross multiply
13,735,348.56x = 18,954,793.08 × 8,231,920.08 - Step 4: Simplify right side
13,735,348.56x = 156,034,341,767,497.03 - Step 5: Solve for x
x = 156,034,341,767,497.03/13,735,348.56 - Step 6: Final answer
x = 11,360,056.94
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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.