Finding the Fourth Proportional to 12,394,351.29, 18,594,515.84 and 4,306,149.75
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Solution
The fourth proportional to 12,394,351.29, 18,594,515.84 and 4,306,149.75 is: 6,460,263.05
Step by Step Solution
- Step 1: Write the proportion equation
12,394,351.29 : 18,594,515.84 = 4,306,149.75 : x - Step 2: Convert to fraction form
12,394,351.29/18,594,515.84 = 4,306,149.75/x - Step 3: Cross multiply
12,394,351.29x = 18,594,515.84 × 4,306,149.75 - Step 4: Simplify right side
12,394,351.29x = 80,070,769,714,256.30 - Step 5: Solve for x
x = 80,070,769,714,256.30/12,394,351.29 - Step 6: Final answer
x = 6,460,263.05
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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.