Finding the Fourth Proportional to 11,434,571.96, 15,779,740.21 and 6,278,267.48
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Solution
The fourth proportional to 11,434,571.96, 15,779,740.21 and 6,278,267.48 is: 8,664,026.09
Step by Step Solution
- Step 1: Write the proportion equation
11,434,571.96 : 15,779,740.21 = 6,278,267.48 : x - Step 2: Convert to fraction form
11,434,571.96/15,779,740.21 = 6,278,267.48/x - Step 3: Cross multiply
11,434,571.96x = 15,779,740.21 × 6,278,267.48 - Step 4: Simplify right side
11,434,571.96x = 99,069,429,708,697 - Step 5: Solve for x
x = 99,069,429,708,697/11,434,571.96 - Step 6: Final answer
x = 8,664,026.09
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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.