Finding the Fourth Proportional to 9,631,961.28, 14,446,403.97 and 2,806,938.03
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Solution
The fourth proportional to 9,631,961.28, 14,446,403.97 and 2,806,938.03 is: 4,209,958.86
Step by Step Solution
- Step 1: Write the proportion equation
9,631,961.28 : 14,446,403.97 = 2,806,938.03 : x - Step 2: Convert to fraction form
9,631,961.28/14,446,403.97 = 2,806,938.03/x - Step 3: Cross multiply
9,631,961.28x = 14,446,403.97 × 2,806,938.03 - Step 4: Simplify right side
9,631,961.28x = 40,550,160,700,135.98 - Step 5: Solve for x
x = 40,550,160,700,135.98/9,631,961.28 - Step 6: Final answer
x = 4,209,958.86
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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.