Finding the Fourth Proportional to 21,353,716.48, 32,081,673.85 and 13,692,371.62
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Solution
The fourth proportional to 21,353,716.48, 32,081,673.85 and 13,692,371.62 is: 20,571,323.07
Step by Step Solution
- Step 1: Write the proportion equation
21,353,716.48 : 32,081,673.85 = 13,692,371.62 : x - Step 2: Convert to fraction form
21,353,716.48/32,081,673.85 = 13,692,371.62/x - Step 3: Cross multiply
21,353,716.48x = 32,081,673.85 × 13,692,371.62 - Step 4: Simplify right side
21,353,716.48x = 439,274,200,545,836.12 - Step 5: Solve for x
x = 439,274,200,545,836.12/21,353,716.48 - Step 6: Final answer
x = 20,571,323.07
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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.