Finding the Fourth Proportional to 11,842,261.48, 16,341,408.68 and 6,686,131.96
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Solution
The fourth proportional to 11,842,261.48, 16,341,408.68 and 6,686,131.96 is: 9,226,347.10
Step by Step Solution
- Step 1: Write the proportion equation
11,842,261.48 : 16,341,408.68 = 6,686,131.96 : x - Step 2: Convert to fraction form
11,842,261.48/16,341,408.68 = 6,686,131.96/x - Step 3: Cross multiply
11,842,261.48x = 16,341,408.68 × 6,686,131.96 - Step 4: Simplify right side
11,842,261.48x = 109,260,814,846,769.41 - Step 5: Solve for x
x = 109,260,814,846,769.41/11,842,261.48 - Step 6: Final answer
x = 9,226,347.10
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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.