Finding the Fourth Proportional to 32,361,709.60, 48,542,564.40 and 19,662,983.20
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Solution
The fourth proportional to 32,361,709.60, 48,542,564.40 and 19,662,983.20 is: 29,494,474.80
Step by Step Solution
- Step 1: Write the proportion equation
32,361,709.60 : 48,542,564.40 = 19,662,983.20 : x - Step 2: Convert to fraction form
32,361,709.60/48,542,564.40 = 19,662,983.20/x - Step 3: Cross multiply
32,361,709.60x = 48,542,564.40 × 19,662,983.20 - Step 4: Simplify right side
32,361,709.60x = 954,491,628,282,118 - Step 5: Solve for x
x = 954,491,628,282,118/32,361,709.60 - Step 6: Final answer
x = 29,494,474.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.