Finding the Fourth Proportional to 43,538,806.44, 65,317,657.26 and 13,245,882.12
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Solution
The fourth proportional to 43,538,806.44, 65,317,657.26 and 13,245,882.12 is: 19,871,697.44
Step by Step Solution
- Step 1: Write the proportion equation
43,538,806.44 : 65,317,657.26 = 13,245,882.12 : x - Step 2: Convert to fraction form
43,538,806.44/65,317,657.26 = 13,245,882.12/x - Step 3: Cross multiply
43,538,806.44x = 65,317,657.26 × 13,245,882.12 - Step 4: Simplify right side
43,538,806.44x = 865,189,988,420,522.12 - Step 5: Solve for x
x = 865,189,988,420,522.12/43,538,806.44 - Step 6: Final answer
x = 19,871,697.44
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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.