Finding the Fourth Proportional to 7,534,529.94, 11,306,820.16 and 2,742,217.86
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Solution
The fourth proportional to 7,534,529.94, 11,306,820.16 and 2,742,217.86 is: 4,115,155.75
Step by Step Solution
- Step 1: Write the proportion equation
7,534,529.94 : 11,306,820.16 = 2,742,217.86 : x - Step 2: Convert to fraction form
7,534,529.94/11,306,820.16 = 2,742,217.86/x - Step 3: Cross multiply
7,534,529.94x = 11,306,820.16 × 2,742,217.86 - Step 4: Simplify right side
7,534,529.94x = 31,005,764,182,560.05 - Step 5: Solve for x
x = 31,005,764,182,560.05/7,534,529.94 - Step 6: Final answer
x = 4,115,155.75
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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.