Finding the Fourth Proportional to 7,245,614.45, 9,999,893.94 and 4,674,774.08
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Solution
The fourth proportional to 7,245,614.45, 9,999,893.94 and 4,674,774.08 is: 6,451,798.58
Step by Step Solution
- Step 1: Write the proportion equation
7,245,614.45 : 9,999,893.94 = 4,674,774.08 : x - Step 2: Convert to fraction form
7,245,614.45/9,999,893.94 = 4,674,774.08/x - Step 3: Cross multiply
7,245,614.45x = 9,999,893.94 × 4,674,774.08 - Step 4: Simplify right side
7,245,614.45x = 46,747,244,993,461.07 - Step 5: Solve for x
x = 46,747,244,993,461.07/7,245,614.45 - Step 6: Final answer
x = 6,451,798.58
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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.