Finding the Fourth Proportional to 51,682,451.85, 71,324,960.63 and 28,477,572.75
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Solution
The fourth proportional to 51,682,451.85, 71,324,960.63 and 28,477,572.75 is: 39,300,800.99
Step by Step Solution
- Step 1: Write the proportion equation
51,682,451.85 : 71,324,960.63 = 28,477,572.75 : x - Step 2: Convert to fraction form
51,682,451.85/71,324,960.63 = 28,477,572.75/x - Step 3: Cross multiply
51,682,451.85x = 71,324,960.63 × 28,477,572.75 - Step 4: Simplify right side
51,682,451.85x = 2,031,161,755,089,323 - Step 5: Solve for x
x = 2,031,161,755,089,323/51,682,451.85 - Step 6: Final answer
x = 39,300,800.99
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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.