Finding the Fourth Proportional to 12,397,613.94, 18,596,836.14 and 4,310,659.63
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Solution
The fourth proportional to 12,397,613.94, 18,596,836.14 and 4,310,659.63 is: 6,466,133.82
Step by Step Solution
- Step 1: Write the proportion equation
12,397,613.94 : 18,596,836.14 = 4,310,659.63 : x - Step 2: Convert to fraction form
12,397,613.94/18,596,836.14 = 4,310,659.63/x - Step 3: Cross multiply
12,397,613.94x = 18,596,836.14 × 4,310,659.63 - Step 4: Simplify right side
12,397,613.94x = 80,164,630,794,423.03 - Step 5: Solve for x
x = 80,164,630,794,423.03/12,397,613.94 - Step 6: Final answer
x = 6,466,133.82
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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.