Finding the Fourth Proportional to 32,361,657.60, 48,542,486.40 and 8,427,129.60
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Solution
The fourth proportional to 32,361,657.60, 48,542,486.40 and 8,427,129.60 is: 12,640,694.40
Step by Step Solution
- Step 1: Write the proportion equation
32,361,657.60 : 48,542,486.40 = 8,427,129.60 : x - Step 2: Convert to fraction form
32,361,657.60/48,542,486.40 = 8,427,129.60/x - Step 3: Cross multiply
32,361,657.60x = 48,542,486.40 × 8,427,129.60 - Step 4: Simplify right side
32,361,657.60x = 409,073,823,999,037.44 - Step 5: Solve for x
x = 409,073,823,999,037.44/32,361,657.60 - Step 6: Final answer
x = 12,640,694.40
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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.