Finding the Fourth Proportional to 50,352,476.73, 69,486,314.99 and 28,325,991.21
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Solution
The fourth proportional to 50,352,476.73, 69,486,314.99 and 28,325,991.21 is: 39,089,809.98
Step by Step Solution
- Step 1: Write the proportion equation
50,352,476.73 : 69,486,314.99 = 28,325,991.21 : x - Step 2: Convert to fraction form
50,352,476.73/69,486,314.99 = 28,325,991.21/x - Step 3: Cross multiply
50,352,476.73x = 69,486,314.99 × 28,325,991.21 - Step 4: Simplify right side
50,352,476.73x = 1,968,268,747,480,401.25 - Step 5: Solve for x
x = 1,968,268,747,480,401.25/50,352,476.73 - Step 6: Final answer
x = 39,089,809.98
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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.