Finding the Fourth Proportional to 16,433,820.80, 22,684,372.80 and 11,294,195.84
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Solution
The fourth proportional to 16,433,820.80, 22,684,372.80 and 11,294,195.84 is: 15,589,907.67
Step by Step Solution
- Step 1: Write the proportion equation
16,433,820.80 : 22,684,372.80 = 11,294,195.84 : x - Step 2: Convert to fraction form
16,433,820.80/22,684,372.80 = 11,294,195.84/x - Step 3: Cross multiply
16,433,820.80x = 22,684,372.80 × 11,294,195.84 - Step 4: Simplify right side
16,433,820.80x = 256,201,748,910,769.16 - Step 5: Solve for x
x = 256,201,748,910,769.16/16,433,820.80 - Step 6: Final answer
x = 15,589,907.67
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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.