Finding the Fourth Proportional to 7,466,077.80, 11,199,116.70 and 3,686,941.80
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Solution
The fourth proportional to 7,466,077.80, 11,199,116.70 and 3,686,941.80 is: 5,530,412.70
Step by Step Solution
- Step 1: Write the proportion equation
7,466,077.80 : 11,199,116.70 = 3,686,941.80 : x - Step 2: Convert to fraction form
7,466,077.80/11,199,116.70 = 3,686,941.80/x - Step 3: Cross multiply
7,466,077.80x = 11,199,116.70 × 3,686,941.80 - Step 4: Simplify right side
7,466,077.80x = 41,290,491,484,308.05 - Step 5: Solve for x
x = 41,290,491,484,308.05/7,466,077.80 - Step 6: Final answer
x = 5,530,412.70
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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.