Finding the Fourth Proportional to 18,295,568.36, 25,248,676.34 and 10,951,980.99
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Solution
The fourth proportional to 18,295,568.36, 25,248,676.34 and 10,951,980.99 is: 15,114,207.87
Step by Step Solution
- Step 1: Write the proportion equation
18,295,568.36 : 25,248,676.34 = 10,951,980.99 : x - Step 2: Convert to fraction form
18,295,568.36/25,248,676.34 = 10,951,980.99/x - Step 3: Cross multiply
18,295,568.36x = 25,248,676.34 × 10,951,980.99 - Step 4: Simplify right side
18,295,568.36x = 276,523,023,243,582.88 - Step 5: Solve for x
x = 276,523,023,243,582.88/18,295,568.36 - Step 6: Final answer
x = 15,114,207.87
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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.