Finding the Fourth Proportional to 7,560,232.20, 11,340,348.30 and 2,768,077.80
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Solution
The fourth proportional to 7,560,232.20, 11,340,348.30 and 2,768,077.80 is: 4,152,116.70
Step by Step Solution
- Step 1: Write the proportion equation
7,560,232.20 : 11,340,348.30 = 2,768,077.80 : x - Step 2: Convert to fraction form
7,560,232.20/11,340,348.30 = 2,768,077.80/x - Step 3: Cross multiply
7,560,232.20x = 11,340,348.30 × 2,768,077.80 - Step 4: Simplify right side
7,560,232.20x = 31,390,966,373,497.74 - Step 5: Solve for x
x = 31,390,966,373,497.74/7,560,232.20 - Step 6: Final answer
x = 4,152,116.70
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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.