Finding the Fourth Proportional to 7,432,890.98, 11,153,400.12 and 2,884,119.09
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Solution
The fourth proportional to 7,432,890.98, 11,153,400.12 and 2,884,119.09 is: 4,327,755.42
Step by Step Solution
- Step 1: Write the proportion equation
7,432,890.98 : 11,153,400.12 = 2,884,119.09 : x - Step 2: Convert to fraction form
7,432,890.98/11,153,400.12 = 2,884,119.09/x - Step 3: Cross multiply
7,432,890.98x = 11,153,400.12 × 2,884,119.09 - Step 4: Simplify right side
7,432,890.98x = 32,167,734,204,500.29 - Step 5: Solve for x
x = 32,167,734,204,500.29/7,432,890.98 - Step 6: Final answer
x = 4,327,755.42
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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.