Finding the Fourth Proportional to 20,164,194.68, 27,821,805.68 and 11,461,682.22
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Solution
The fourth proportional to 20,164,194.68, 27,821,805.68 and 11,461,682.22 is: 15,814,402.75
Step by Step Solution
- Step 1: Write the proportion equation
20,164,194.68 : 27,821,805.68 = 11,461,682.22 : x - Step 2: Convert to fraction form
20,164,194.68/27,821,805.68 = 11,461,682.22/x - Step 3: Cross multiply
20,164,194.68x = 27,821,805.68 × 11,461,682.22 - Step 4: Simplify right side
20,164,194.68x = 318,884,695,649,806.06 - Step 5: Solve for x
x = 318,884,695,649,806.06/20,164,194.68 - Step 6: Final answer
x = 15,814,402.75
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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.