Finding the Fourth Proportional to 7,527,624.12, 11,291,657.46 and 1,847,848.20
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Solution
The fourth proportional to 7,527,624.12, 11,291,657.46 and 1,847,848.20 is: 2,771,826.62
Step by Step Solution
- Step 1: Write the proportion equation
7,527,624.12 : 11,291,657.46 = 1,847,848.20 : x - Step 2: Convert to fraction form
7,527,624.12/11,291,657.46 = 1,847,848.20/x - Step 3: Cross multiply
7,527,624.12x = 11,291,657.46 × 1,847,848.20 - Step 4: Simplify right side
7,527,624.12x = 20,865,268,912,477.57 - Step 5: Solve for x
x = 20,865,268,912,477.57/7,527,624.12 - Step 6: Final answer
x = 2,771,826.62
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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.