Finding the Fourth Proportional to 11,768,874.70, 16,241,241.32 and 6,470,793.49
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Solution
The fourth proportional to 11,768,874.70, 16,241,241.32 and 6,470,793.49 is: 8,929,801.81
Step by Step Solution
- Step 1: Write the proportion equation
11,768,874.70 : 16,241,241.32 = 6,470,793.49 : x - Step 2: Convert to fraction form
11,768,874.70/16,241,241.32 = 6,470,793.49/x - Step 3: Cross multiply
11,768,874.70x = 16,241,241.32 × 6,470,793.49 - Step 4: Simplify right side
11,768,874.70x = 105,093,718,602,975.02 - Step 5: Solve for x
x = 105,093,718,602,975.02/11,768,874.70 - Step 6: Final answer
x = 8,929,801.81
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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.