Finding the Fourth Proportional to 7,944,201.60, 11,906,971.20 and 3,675,353.28
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Solution
The fourth proportional to 7,944,201.60, 11,906,971.20 and 3,675,353.28 is: 5,508,712.88
Step by Step Solution
- Step 1: Write the proportion equation
7,944,201.60 : 11,906,971.20 = 3,675,353.28 : x - Step 2: Convert to fraction form
7,944,201.60/11,906,971.20 = 3,675,353.28/x - Step 3: Cross multiply
7,944,201.60x = 11,906,971.20 × 3,675,353.28 - Step 4: Simplify right side
7,944,201.60x = 43,762,325,654,785.53 - Step 5: Solve for x
x = 43,762,325,654,785.53/7,944,201.60 - Step 6: Final answer
x = 5,508,712.88
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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.