Finding the Fourth Proportional to 6,975,814.25, 10,463,765.12 and 1,927,168.49
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Solution
The fourth proportional to 6,975,814.25, 10,463,765.12 and 1,927,168.49 is: 2,890,764.82
Step by Step Solution
- Step 1: Write the proportion equation
6,975,814.25 : 10,463,765.12 = 1,927,168.49 : x - Step 2: Convert to fraction form
6,975,814.25/10,463,765.12 = 1,927,168.49/x - Step 3: Cross multiply
6,975,814.25x = 10,463,765.12 × 1,927,168.49 - Step 4: Simplify right side
6,975,814.25x = 20,165,438,416,389.23 - Step 5: Solve for x
x = 20,165,438,416,389.23/6,975,814.25 - Step 6: Final answer
x = 2,890,764.82
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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.