Finding the Fourth Proportional to 13,176,863.70, 18,183,079.08 and 8,019,655.26
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Solution
The fourth proportional to 13,176,863.70, 18,183,079.08 and 8,019,655.26 is: 11,066,520.01
Step by Step Solution
- Step 1: Write the proportion equation
13,176,863.70 : 18,183,079.08 = 8,019,655.26 : x - Step 2: Convert to fraction form
13,176,863.70/18,183,079.08 = 8,019,655.26/x - Step 3: Cross multiply
13,176,863.70x = 18,183,079.08 × 8,019,655.26 - Step 4: Simplify right side
13,176,863.70x = 145,822,025,786,917.94 - Step 5: Solve for x
x = 145,822,025,786,917.94/13,176,863.70 - Step 6: Final answer
x = 11,066,520.01
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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.