Finding the Fourth Proportional to 12,394,343.38, 18,594,503.97 and 4,306,141.84
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Solution
The fourth proportional to 12,394,343.38, 18,594,503.97 and 4,306,141.84 is: 6,460,251.19
Step by Step Solution
- Step 1: Write the proportion equation
12,394,343.38 : 18,594,503.97 = 4,306,141.84 : x - Step 2: Convert to fraction form
12,394,343.38/18,594,503.97 = 4,306,141.84/x - Step 3: Cross multiply
12,394,343.38x = 18,594,503.97 × 4,306,141.84 - Step 4: Simplify right side
12,394,343.38x = 80,070,571,539,263.09 - Step 5: Solve for x
x = 80,070,571,539,263.09/12,394,343.38 - Step 6: Final answer
x = 6,460,251.19
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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.