Finding the Fourth Proportional to 16,212,236.34, 22,370,676.55 and 9,684,480.11
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Solution
The fourth proportional to 16,212,236.34, 22,370,676.55 and 9,684,480.11 is: 13,363,262.63
Step by Step Solution
- Step 1: Write the proportion equation
16,212,236.34 : 22,370,676.55 = 9,684,480.11 : x - Step 2: Convert to fraction form
16,212,236.34/22,370,676.55 = 9,684,480.11/x - Step 3: Cross multiply
16,212,236.34x = 22,370,676.55 × 9,684,480.11 - Step 4: Simplify right side
16,212,236.34x = 216,648,372,047,296.03 - Step 5: Solve for x
x = 216,648,372,047,296.03/16,212,236.34 - Step 6: Final answer
x = 13,363,262.63
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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.