Finding the Fourth Proportional to 32,775,101.20, 49,162,651.80 and 15,768,989.20
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Solution
The fourth proportional to 32,775,101.20, 49,162,651.80 and 15,768,989.20 is: 23,653,483.80
Step by Step Solution
- Step 1: Write the proportion equation
32,775,101.20 : 49,162,651.80 = 15,768,989.20 : x - Step 2: Convert to fraction form
32,775,101.20/49,162,651.80 = 15,768,989.20/x - Step 3: Cross multiply
32,775,101.20x = 49,162,651.80 × 15,768,989.20 - Step 4: Simplify right side
32,775,101.20x = 775,245,325,277,560.50 - Step 5: Solve for x
x = 775,245,325,277,560.50/32,775,101.20 - Step 6: Final answer
x = 23,653,483.80
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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.