Finding the Fourth Proportional to 8,062,544.56, 11,128,742.81 and 5,485,720.01
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Solution
The fourth proportional to 8,062,544.56, 11,128,742.81 and 5,485,720.01 is: 7,571,947.87
Step by Step Solution
- Step 1: Write the proportion equation
8,062,544.56 : 11,128,742.81 = 5,485,720.01 : x - Step 2: Convert to fraction form
8,062,544.56/11,128,742.81 = 5,485,720.01/x - Step 3: Cross multiply
8,062,544.56x = 11,128,742.81 × 5,485,720.01 - Step 4: Simplify right side
8,062,544.56x = 61,049,167,118,960.62 - Step 5: Solve for x
x = 61,049,167,118,960.62/8,062,544.56 - Step 6: Final answer
x = 7,571,947.87
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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.