Finding the Fourth Proportional to 11,557,263.68, 15,949,190.40 and 6,662,396.96
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Solution
The fourth proportional to 11,557,263.68, 15,949,190.40 and 6,662,396.96 is: 9,194,203.80
Step by Step Solution
- Step 1: Write the proportion equation
11,557,263.68 : 15,949,190.40 = 6,662,396.96 : x - Step 2: Convert to fraction form
11,557,263.68/15,949,190.40 = 6,662,396.96/x - Step 3: Cross multiply
11,557,263.68x = 15,949,190.40 × 6,662,396.96 - Step 4: Simplify right side
11,557,263.68x = 106,259,837,635,421.19 - Step 5: Solve for x
x = 106,259,837,635,421.19/11,557,263.68 - Step 6: Final answer
x = 9,194,203.80
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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.