Finding the Fourth Proportional to 7,449,665.84, 10,279,616.50 and 4,310,469.12
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Solution
The fourth proportional to 7,449,665.84, 10,279,616.50 and 4,310,469.12 is: 5,947,913.70
Step by Step Solution
- Step 1: Write the proportion equation
7,449,665.84 : 10,279,616.50 = 4,310,469.12 : x - Step 2: Convert to fraction form
7,449,665.84/10,279,616.50 = 4,310,469.12/x - Step 3: Cross multiply
7,449,665.84x = 10,279,616.50 × 4,310,469.12 - Step 4: Simplify right side
7,449,665.84x = 44,309,969,467,140.13 - Step 5: Solve for x
x = 44,309,969,467,140.13/7,449,665.84 - Step 6: Final answer
x = 5,947,913.70
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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.