Finding the Fourth Proportional to 7,698,435.92, 11,550,218.97 and 2,581,371.68
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Solution
The fourth proportional to 7,698,435.92, 11,550,218.97 and 2,581,371.68 is: 3,872,917.63
Step by Step Solution
- Step 1: Write the proportion equation
7,698,435.92 : 11,550,218.97 = 2,581,371.68 : x - Step 2: Convert to fraction form
7,698,435.92/11,550,218.97 = 2,581,371.68/x - Step 3: Cross multiply
7,698,435.92x = 11,550,218.97 × 2,581,371.68 - Step 4: Simplify right side
7,698,435.92x = 29,815,408,146,956.77 - Step 5: Solve for x
x = 29,815,408,146,956.77/7,698,435.92 - Step 6: Final answer
x = 3,872,917.63
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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.