Finding the Fourth Proportional to 13,885,649.97, 20,829,845.40 and 4,786,549.66
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Solution
The fourth proportional to 13,885,649.97, 20,829,845.40 and 4,786,549.66 is: 7,180,296.90
Step by Step Solution
- Step 1: Write the proportion equation
13,885,649.97 : 20,829,845.40 = 4,786,549.66 : x - Step 2: Convert to fraction form
13,885,649.97/20,829,845.40 = 4,786,549.66/x - Step 3: Cross multiply
13,885,649.97x = 20,829,845.40 × 4,786,549.66 - Step 4: Simplify right side
13,885,649.97x = 99,703,089,417,222.56 - Step 5: Solve for x
x = 99,703,089,417,222.56/13,885,649.97 - Step 6: Final answer
x = 7,180,296.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.