Finding the Fourth Proportional to 7,560,383.20, 11,340,574.80 and 2,511,693.70
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Solution
The fourth proportional to 7,560,383.20, 11,340,574.80 and 2,511,693.70 is: 3,767,540.55
Step by Step Solution
- Step 1: Write the proportion equation
7,560,383.20 : 11,340,574.80 = 2,511,693.70 : x - Step 2: Convert to fraction form
7,560,383.20/11,340,574.80 = 2,511,693.70/x - Step 3: Cross multiply
7,560,383.20x = 11,340,574.80 × 2,511,693.70 - Step 4: Simplify right side
7,560,383.20x = 28,484,050,279,538.77 - Step 5: Solve for x
x = 28,484,050,279,538.77/7,560,383.20 - Step 6: Final answer
x = 3,767,540.55
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Similar ratio
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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.