Finding the Fourth Proportional to 13,246,167.70, 18,279,876.19 and 8,019,106.48
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Solution
The fourth proportional to 13,246,167.70, 18,279,876.19 and 8,019,106.48 is: 11,066,466.69
Step by Step Solution
- Step 1: Write the proportion equation
13,246,167.70 : 18,279,876.19 = 8,019,106.48 : x - Step 2: Convert to fraction form
13,246,167.70/18,279,876.19 = 8,019,106.48/x - Step 3: Cross multiply
13,246,167.70x = 18,279,876.19 × 8,019,106.48 - Step 4: Simplify right side
13,246,167.70x = 146,588,273,588,778.97 - Step 5: Solve for x
x = 146,588,273,588,778.97/13,246,167.70 - Step 6: Final answer
x = 11,066,466.69
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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.