Finding the Fourth Proportional to 5,558,432.07, 7,664,545.03 and 3,621,099.99
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Solution
The fourth proportional to 5,558,432.07, 7,664,545.03 and 3,621,099.99 is: 4,993,149.79
Step by Step Solution
- Step 1: Write the proportion equation
5,558,432.07 : 7,664,545.03 = 3,621,099.99 : x - Step 2: Convert to fraction form
5,558,432.07/7,664,545.03 = 3,621,099.99/x - Step 3: Cross multiply
5,558,432.07x = 7,664,545.03 × 3,621,099.99 - Step 4: Simplify right side
5,558,432.07x = 27,754,083,957,966.41 - Step 5: Solve for x
x = 27,754,083,957,966.41/5,558,432.07 - Step 6: Final answer
x = 4,993,149.79
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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.