Finding the Fourth Proportional to 11,259,025.80, 16,888,538.70 and 4,070,794.20
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Solution
The fourth proportional to 11,259,025.80, 16,888,538.70 and 4,070,794.20 is: 6,106,191.30
Step by Step Solution
- Step 1: Write the proportion equation
11,259,025.80 : 16,888,538.70 = 4,070,794.20 : x - Step 2: Convert to fraction form
11,259,025.80/16,888,538.70 = 4,070,794.20/x - Step 3: Cross multiply
11,259,025.80x = 16,888,538.70 × 4,070,794.20 - Step 4: Simplify right side
11,259,025.80x = 68,749,765,386,435.54 - Step 5: Solve for x
x = 68,749,765,386,435.54/11,259,025.80 - Step 6: Final answer
x = 6,106,191.30
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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.