Finding the Fourth Proportional to 14,705,668.96, 20,285,540.04 and 8,823,782.80
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Solution
The fourth proportional to 14,705,668.96, 20,285,540.04 and 8,823,782.80 is: 12,171,850.17
Step by Step Solution
- Step 1: Write the proportion equation
14,705,668.96 : 20,285,540.04 = 8,823,782.80 : x - Step 2: Convert to fraction form
14,705,668.96/20,285,540.04 = 8,823,782.80/x - Step 3: Cross multiply
14,705,668.96x = 20,285,540.04 × 8,823,782.80 - Step 4: Simplify right side
14,705,668.96x = 178,995,199,293,663.31 - Step 5: Solve for x
x = 178,995,199,293,663.31/14,705,668.96 - Step 6: Final answer
x = 12,171,850.17
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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.