Finding the Fourth Proportional to 7,769,529.96, 11,655,358.56 and 2,650,585.50
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Solution
The fourth proportional to 7,769,529.96, 11,655,358.56 and 2,650,585.50 is: 3,976,241.11
Step by Step Solution
- Step 1: Write the proportion equation
7,769,529.96 : 11,655,358.56 = 2,650,585.50 : x - Step 2: Convert to fraction form
7,769,529.96/11,655,358.56 = 2,650,585.50/x - Step 3: Cross multiply
7,769,529.96x = 11,655,358.56 × 2,650,585.50 - Step 4: Simplify right side
7,769,529.96x = 30,893,524,396,436.88 - Step 5: Solve for x
x = 30,893,524,396,436.88/7,769,529.96 - Step 6: Final answer
x = 3,976,241.11
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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.