Finding the Fourth Proportional to 13,503,884.67, 20,257,936.68 and 4,403,865.77
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Solution
The fourth proportional to 13,503,884.67, 20,257,936.68 and 4,403,865.77 is: 6,606,486.66
Step by Step Solution
- Step 1: Write the proportion equation
13,503,884.67 : 20,257,936.68 = 4,403,865.77 : x - Step 2: Convert to fraction form
13,503,884.67/20,257,936.68 = 4,403,865.77/x - Step 3: Cross multiply
13,503,884.67x = 20,257,936.68 × 4,403,865.77 - Step 4: Simplify right side
13,503,884.67x = 89,213,233,928,626.03 - Step 5: Solve for x
x = 89,213,233,928,626.03/13,503,884.67 - Step 6: Final answer
x = 6,606,486.66
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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.