Finding the Fourth Proportional to 8,839,405.90, 12,198,257.67 and 4,971,929.68
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Solution
The fourth proportional to 8,839,405.90, 12,198,257.67 and 4,971,929.68 is: 6,861,194.07
Step by Step Solution
- Step 1: Write the proportion equation
8,839,405.90 : 12,198,257.67 = 4,971,929.68 : x - Step 2: Convert to fraction form
8,839,405.90/12,198,257.67 = 4,971,929.68/x - Step 3: Cross multiply
8,839,405.90x = 12,198,257.67 × 4,971,929.68 - Step 4: Simplify right side
8,839,405.90x = 60,648,879,353,760.64 - Step 5: Solve for x
x = 60,648,879,353,760.64/8,839,405.90 - Step 6: Final answer
x = 6,861,194.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.