Finding the Fourth Proportional to 8,717,489.63, 12,030,246.35 and 4,797,697.07
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Solution
The fourth proportional to 8,717,489.63, 12,030,246.35 and 4,797,697.07 is: 6,620,882.85
Step by Step Solution
- Step 1: Write the proportion equation
8,717,489.63 : 12,030,246.35 = 4,797,697.07 : x - Step 2: Convert to fraction form
8,717,489.63/12,030,246.35 = 4,797,697.07/x - Step 3: Cross multiply
8,717,489.63x = 12,030,246.35 × 4,797,697.07 - Step 4: Simplify right side
8,717,489.63x = 57,717,477,598,624.85 - Step 5: Solve for x
x = 57,717,477,598,624.85/8,717,489.63 - Step 6: Final answer
x = 6,620,882.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.