Finding the Fourth Proportional to 10,515,143.60, 15,768,049.80 and 4,832,442.80
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Solution
The fourth proportional to 10,515,143.60, 15,768,049.80 and 4,832,442.80 is: 7,246,520.03
Step by Step Solution
- Step 1: Write the proportion equation
10,515,143.60 : 15,768,049.80 = 4,832,442.80 : x - Step 2: Convert to fraction form
10,515,143.60/15,768,049.80 = 4,832,442.80/x - Step 3: Cross multiply
10,515,143.60x = 15,768,049.80 × 4,832,442.80 - Step 4: Simplify right side
10,515,143.60x = 76,198,198,726,051.44 - Step 5: Solve for x
x = 76,198,198,726,051.44/10,515,143.60 - Step 6: Final answer
x = 7,246,520.03
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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.