Finding the Fourth Proportional to 32,420,769.98, 44,735,778.77 and 18,483,336.09
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Solution
The fourth proportional to 32,420,769.98, 44,735,778.77 and 18,483,336.09 is: 25,504,219.51
Step by Step Solution
- Step 1: Write the proportion equation
32,420,769.98 : 44,735,778.77 = 18,483,336.09 : x - Step 2: Convert to fraction form
32,420,769.98/44,735,778.77 = 18,483,336.09/x - Step 3: Cross multiply
32,420,769.98x = 44,735,778.77 × 18,483,336.09 - Step 4: Simplify right side
32,420,769.98x = 826,866,434,161,380.12 - Step 5: Solve for x
x = 826,866,434,161,380.12/32,420,769.98 - Step 6: Final answer
x = 25,504,219.51
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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.