Finding the Fourth Proportional to 13,207,701.76, 18,218,906.24 and 8,305,164.80
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Solution
The fourth proportional to 13,207,701.76, 18,218,906.24 and 8,305,164.80 is: 11,456,271.62
Step by Step Solution
- Step 1: Write the proportion equation
13,207,701.76 : 18,218,906.24 = 8,305,164.80 : x - Step 2: Convert to fraction form
13,207,701.76/18,218,906.24 = 8,305,164.80/x - Step 3: Cross multiply
13,207,701.76x = 18,218,906.24 × 8,305,164.80 - Step 4: Simplify right side
13,207,701.76x = 151,311,018,798,948.34 - Step 5: Solve for x
x = 151,311,018,798,948.34/13,207,701.76 - Step 6: Final answer
x = 11,456,271.62
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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.