Finding the Fourth Proportional to 11,010,679.70, 16,516,019.55 and 8,176,327.70
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Solution
The fourth proportional to 11,010,679.70, 16,516,019.55 and 8,176,327.70 is: 12,264,491.55
Step by Step Solution
- Step 1: Write the proportion equation
11,010,679.70 : 16,516,019.55 = 8,176,327.70 : x - Step 2: Convert to fraction form
11,010,679.70/16,516,019.55 = 8,176,327.70/x - Step 3: Cross multiply
11,010,679.70x = 16,516,019.55 × 8,176,327.70 - Step 4: Simplify right side
11,010,679.70x = 135,040,388,140,406.55 - Step 5: Solve for x
x = 135,040,388,140,406.55/11,010,679.70 - Step 6: Final answer
x = 12,264,491.55
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1.5x scale
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.