Finding the Fourth Proportional to 9,783,062.19, 14,608,713.42 and 7,989,503.49
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Solution
The fourth proportional to 9,783,062.19, 14,608,713.42 and 7,989,503.49 is: 11,930,453.33
Step by Step Solution
- Step 1: Write the proportion equation
9,783,062.19 : 14,608,713.42 = 7,989,503.49 : x - Step 2: Convert to fraction form
9,783,062.19/14,608,713.42 = 7,989,503.49/x - Step 3: Cross multiply
9,783,062.19x = 14,608,713.42 × 7,989,503.49 - Step 4: Simplify right side
9,783,062.19x = 116,716,366,853,499.84 - Step 5: Solve for x
x = 116,716,366,853,499.84/9,783,062.19 - Step 6: Final answer
x = 11,930,453.33
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.