Finding the Fourth Proportional to 8,268,474.53, 12,404,367.36 and 4,630,378.14
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Solution
The fourth proportional to 8,268,474.53, 12,404,367.36 and 4,630,378.14 is: 6,946,494.34
Step by Step Solution
- Step 1: Write the proportion equation
8,268,474.53 : 12,404,367.36 = 4,630,378.14 : x - Step 2: Convert to fraction form
8,268,474.53/12,404,367.36 = 4,630,378.14/x - Step 3: Cross multiply
8,268,474.53x = 12,404,367.36 × 4,630,378.14 - Step 4: Simplify right side
8,268,474.53x = 57,436,911,464,273.50 - Step 5: Solve for x
x = 57,436,911,464,273.50/8,268,474.53 - Step 6: Final answer
x = 6,946,494.34
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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.