Finding the Fourth Proportional to 11,608,863.60, 17,413,240.62 and 2,972,947.32
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Solution
The fourth proportional to 11,608,863.60, 17,413,240.62 and 2,972,947.32 is: 4,459,406.95
Step by Step Solution
- Step 1: Write the proportion equation
11,608,863.60 : 17,413,240.62 = 2,972,947.32 : x - Step 2: Convert to fraction form
11,608,863.60/17,413,240.62 = 2,972,947.32/x - Step 3: Cross multiply
11,608,863.60x = 17,413,240.62 × 2,972,947.32 - Step 4: Simplify right side
11,608,863.60x = 51,768,647,033,744.14 - Step 5: Solve for x
x = 51,768,647,033,744.14/11,608,863.60 - Step 6: Final answer
x = 4,459,406.95
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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.