Finding the Fourth Proportional to 8,865,324.12, 13,297,988.70 and 2,133,738.12
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Solution
The fourth proportional to 8,865,324.12, 13,297,988.70 and 2,133,738.12 is: 3,200,607.79
Step by Step Solution
- Step 1: Write the proportion equation
8,865,324.12 : 13,297,988.70 = 2,133,738.12 : x - Step 2: Convert to fraction form
8,865,324.12/13,297,988.70 = 2,133,738.12/x - Step 3: Cross multiply
8,865,324.12x = 13,297,988.70 × 2,133,738.12 - Step 4: Simplify right side
8,865,324.12x = 28,374,425,408,519.24 - Step 5: Solve for x
x = 28,374,425,408,519.24/8,865,324.12 - Step 6: Final answer
x = 3,200,607.79
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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.