Finding the Fourth Proportional to 48,770,493.26, 73,155,984.36 and 12,378,894.41
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Solution
The fourth proportional to 48,770,493.26, 73,155,984.36 and 12,378,894.41 is: 18,568,403.67
Step by Step Solution
- Step 1: Write the proportion equation
48,770,493.26 : 73,155,984.36 = 12,378,894.41 : x - Step 2: Convert to fraction form
48,770,493.26/73,155,984.36 = 12,378,894.41/x - Step 3: Cross multiply
48,770,493.26x = 73,155,984.36 × 12,378,894.41 - Step 4: Simplify right side
48,770,493.26x = 905,590,205,852,051.38 - Step 5: Solve for x
x = 905,590,205,852,051.38/48,770,493.26 - Step 6: Final answer
x = 18,568,403.67
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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.