Finding the Fourth Proportional to 9,559,717.79, 13,192,412.44 and 5,208,804.09
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Solution
The fourth proportional to 9,559,717.79, 13,192,412.44 and 5,208,804.09 is: 7,188,150.67
Step by Step Solution
- Step 1: Write the proportion equation
9,559,717.79 : 13,192,412.44 = 5,208,804.09 : x - Step 2: Convert to fraction form
9,559,717.79/13,192,412.44 = 5,208,804.09/x - Step 3: Cross multiply
9,559,717.79x = 13,192,412.44 × 5,208,804.09 - Step 4: Simplify right side
9,559,717.79x = 68,716,691,871,183.38 - Step 5: Solve for x
x = 68,716,691,871,183.38/9,559,717.79 - Step 6: Final answer
x = 7,188,150.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.