Finding the Fourth Proportional to 32,361,625.60, 48,542,438.40 and 8,427,097.60
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Solution
The fourth proportional to 32,361,625.60, 48,542,438.40 and 8,427,097.60 is: 12,640,646.40
Step by Step Solution
- Step 1: Write the proportion equation
32,361,625.60 : 48,542,438.40 = 8,427,097.60 : x - Step 2: Convert to fraction form
32,361,625.60/48,542,438.40 = 8,427,097.60/x - Step 3: Cross multiply
32,361,625.60x = 48,542,438.40 × 8,427,097.60 - Step 4: Simplify right side
32,361,625.60x = 409,071,866,138,787.81 - Step 5: Solve for x
x = 409,071,866,138,787.81/32,361,625.60 - Step 6: Final answer
x = 12,640,646.40
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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.