Finding the Fourth Proportional to 36,874,571.74, 50,886,919.18 and 20,354,707.07
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Solution
The fourth proportional to 36,874,571.74, 50,886,919.18 and 20,354,707.07 is: 28,089,501.38
Step by Step Solution
- Step 1: Write the proportion equation
36,874,571.74 : 50,886,919.18 = 20,354,707.07 : x - Step 2: Convert to fraction form
36,874,571.74/50,886,919.18 = 20,354,707.07/x - Step 3: Cross multiply
36,874,571.74x = 50,886,919.18 × 20,354,707.07 - Step 4: Simplify right side
36,874,571.74x = 1,035,788,333,603,664.62 - Step 5: Solve for x
x = 1,035,788,333,603,664.62/36,874,571.74 - Step 6: Final answer
x = 28,089,501.38
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1.5x scale
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.