Finding the Fourth Proportional to 11,298,403.82, 16,949,202.42 and 3,620,253.44
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Solution
The fourth proportional to 11,298,403.82, 16,949,202.42 and 3,620,253.44 is: 5,430,891.77
Step by Step Solution
- Step 1: Write the proportion equation
11,298,403.82 : 16,949,202.42 = 3,620,253.44 : x - Step 2: Convert to fraction form
11,298,403.82/16,949,202.42 = 3,620,253.44/x - Step 3: Cross multiply
11,298,403.82x = 16,949,202.42 × 3,620,253.44 - Step 4: Simplify right side
11,298,403.82x = 61,360,408,366,261.33 - Step 5: Solve for x
x = 61,360,408,366,261.33/11,298,403.82 - Step 6: Final answer
x = 5,430,891.77
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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.