Finding the Fourth Proportional to 11,025,876.48, 15,215,722.01 and 6,130,993.42
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Solution
The fourth proportional to 11,025,876.48, 15,215,722.01 and 6,130,993.42 is: 8,460,777.85
Step by Step Solution
- Step 1: Write the proportion equation
11,025,876.48 : 15,215,722.01 = 6,130,993.42 : x - Step 2: Convert to fraction form
11,025,876.48/15,215,722.01 = 6,130,993.42/x - Step 3: Cross multiply
11,025,876.48x = 15,215,722.01 × 6,130,993.42 - Step 4: Simplify right side
11,025,876.48x = 93,287,491,523,859.17 - Step 5: Solve for x
x = 93,287,491,523,859.17/11,025,876.48 - Step 6: Final answer
x = 8,460,777.85
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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.