Finding the Fourth Proportional to 7,243,550.94, 9,983,447.19 and 5,305,693.98
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Solution
The fourth proportional to 7,243,550.94, 9,983,447.19 and 5,305,693.98 is: 7,312,589.65
Step by Step Solution
- Step 1: Write the proportion equation
7,243,550.94 : 9,983,447.19 = 5,305,693.98 : x - Step 2: Convert to fraction form
7,243,550.94/9,983,447.19 = 5,305,693.98/x - Step 3: Cross multiply
7,243,550.94x = 9,983,447.19 × 5,305,693.98 - Step 4: Simplify right side
7,243,550.94x = 52,969,115,655,630.91 - Step 5: Solve for x
x = 52,969,115,655,630.91/7,243,550.94 - Step 6: Final answer
x = 7,312,589.65
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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.