Finding the Fourth Proportional to 11,214,654.86, 16,821,739.64 and 3,127,415.06
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Solution
The fourth proportional to 11,214,654.86, 16,821,739.64 and 3,127,415.06 is: 4,691,054.92
Step by Step Solution
- Step 1: Write the proportion equation
11,214,654.86 : 16,821,739.64 = 3,127,415.06 : x - Step 2: Convert to fraction form
11,214,654.86/16,821,739.64 = 3,127,415.06/x - Step 3: Cross multiply
11,214,654.86x = 16,821,739.64 × 3,127,415.06 - Step 4: Simplify right side
11,214,654.86x = 52,608,561,885,534.98 - Step 5: Solve for x
x = 52,608,561,885,534.98/11,214,654.86 - Step 6: Final answer
x = 4,691,054.92
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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.