Finding the Fourth Proportional to 32,257,180.80, 48,385,771.20 and 8,322,652.80
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Solution
The fourth proportional to 32,257,180.80, 48,385,771.20 and 8,322,652.80 is: 12,483,979.20
Step by Step Solution
- Step 1: Write the proportion equation
32,257,180.80 : 48,385,771.20 = 8,322,652.80 : x - Step 2: Convert to fraction form
32,257,180.80/48,385,771.20 = 8,322,652.80/x - Step 3: Cross multiply
32,257,180.80x = 48,385,771.20 × 8,322,652.80 - Step 4: Simplify right side
32,257,180.80x = 402,697,974,157,839.38 - Step 5: Solve for x
x = 402,697,974,157,839.38/32,257,180.80 - Step 6: Final answer
x = 12,483,979.20
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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.