Finding the Fourth Proportional to 18,279,823.17, 25,183,759.35 and 12,764,462.04
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Solution
The fourth proportional to 18,279,823.17, 25,183,759.35 and 12,764,462.04 is: 17,585,352.84
Step by Step Solution
- Step 1: Write the proportion equation
18,279,823.17 : 25,183,759.35 = 12,764,462.04 : x - Step 2: Convert to fraction form
18,279,823.17/25,183,759.35 = 12,764,462.04/x - Step 3: Cross multiply
18,279,823.17x = 25,183,759.35 × 12,764,462.04 - Step 4: Simplify right side
18,279,823.17x = 321,457,140,247,570.06 - Step 5: Solve for x
x = 321,457,140,247,570.06/18,279,823.17 - Step 6: Final answer
x = 17,585,352.84
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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.