Finding the Fourth Proportional to 7,420,459.72, 11,130,145.26 and 2,370,414.28
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Solution
The fourth proportional to 7,420,459.72, 11,130,145.26 and 2,370,414.28 is: 3,555,447.54
Step by Step Solution
- Step 1: Write the proportion equation
7,420,459.72 : 11,130,145.26 = 2,370,414.28 : x - Step 2: Convert to fraction form
7,420,459.72/11,130,145.26 = 2,370,414.28/x - Step 3: Cross multiply
7,420,459.72x = 11,130,145.26 × 2,370,414.28 - Step 4: Simplify right side
7,420,459.72x = 26,383,055,262,778.31 - Step 5: Solve for x
x = 26,383,055,262,778.31/7,420,459.72 - Step 6: Final answer
x = 3,555,447.54
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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.