Finding the Fourth Proportional to 32,413,722.40, 44,734,794.78 and 18,665,365.60
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Solution
The fourth proportional to 32,413,722.40, 44,734,794.78 and 18,665,365.60 is: 25,760,426.07
Step by Step Solution
- Step 1: Write the proportion equation
32,413,722.40 : 44,734,794.78 = 18,665,365.60 : x - Step 2: Convert to fraction form
32,413,722.40/44,734,794.78 = 18,665,365.60/x - Step 3: Cross multiply
32,413,722.40x = 44,734,794.78 × 18,665,365.60 - Step 4: Simplify right side
32,413,722.40x = 834,991,299,609,671.62 - Step 5: Solve for x
x = 834,991,299,609,671.62/32,413,722.40 - Step 6: Final answer
x = 25,760,426.07
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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.