Finding the Fourth Proportional to 11,229,025.20, 16,843,537.80 and 6,190,177.20
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Solution
The fourth proportional to 11,229,025.20, 16,843,537.80 and 6,190,177.20 is: 9,285,265.80
Step by Step Solution
- Step 1: Write the proportion equation
11,229,025.20 : 16,843,537.80 = 6,190,177.20 : x - Step 2: Convert to fraction form
11,229,025.20/16,843,537.80 = 6,190,177.20/x - Step 3: Cross multiply
11,229,025.20x = 16,843,537.80 × 6,190,177.20 - Step 4: Simplify right side
11,229,025.20x = 104,264,483,656,898.17 - Step 5: Solve for x
x = 104,264,483,656,898.17/11,229,025.20 - Step 6: Final answer
x = 9,285,265.80
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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.