Finding the Fourth Proportional to 12,931,257.44, 19,396,183.08 and 3,955,809.44
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Solution
The fourth proportional to 12,931,257.44, 19,396,183.08 and 3,955,809.44 is: 5,933,499.08
Step by Step Solution
- Step 1: Write the proportion equation
12,931,257.44 : 19,396,183.08 = 3,955,809.44 : x - Step 2: Convert to fraction form
12,931,257.44/19,396,183.08 = 3,955,809.44/x - Step 3: Cross multiply
12,931,257.44x = 19,396,183.08 × 3,955,809.44 - Step 4: Simplify right side
12,931,257.44x = 76,727,604,127,832.27 - Step 5: Solve for x
x = 76,727,604,127,832.27/12,931,257.44 - Step 6: Final answer
x = 5,933,499.08
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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.