Finding the Fourth Proportional to 10,676,738.99, 14,733,822.75 and 5,781,847.52
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Solution
The fourth proportional to 10,676,738.99, 14,733,822.75 and 5,781,847.52 is: 7,978,907.85
Step by Step Solution
- Step 1: Write the proportion equation
10,676,738.99 : 14,733,822.75 = 5,781,847.52 : x - Step 2: Convert to fraction form
10,676,738.99/14,733,822.75 = 5,781,847.52/x - Step 3: Cross multiply
10,676,738.99x = 14,733,822.75 × 5,781,847.52 - Step 4: Simplify right side
10,676,738.99x = 85,188,716,453,537.97 - Step 5: Solve for x
x = 85,188,716,453,537.97/10,676,738.99 - Step 6: Final answer
x = 7,978,907.85
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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.