Finding the Fourth Proportional to 7,667,395.74, 10,581,035.67 and 4,229,587.26
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Solution
The fourth proportional to 7,667,395.74, 10,581,035.67 and 4,229,587.26 is: 5,836,846.72
Step by Step Solution
- Step 1: Write the proportion equation
7,667,395.74 : 10,581,035.67 = 4,229,587.26 : x - Step 2: Convert to fraction form
7,667,395.74/10,581,035.67 = 4,229,587.26/x - Step 3: Cross multiply
7,667,395.74x = 10,581,035.67 × 4,229,587.26 - Step 4: Simplify right side
7,667,395.74x = 44,753,413,667,437.56 - Step 5: Solve for x
x = 44,753,413,667,437.56/7,667,395.74 - Step 6: Final answer
x = 5,836,846.72
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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.