Finding the Fourth Proportional to 11,216,289.96, 16,826,545.49 and 7,725,580.65
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Solution
The fourth proportional to 11,216,289.96, 16,826,545.49 and 7,725,580.65 is: 11,589,824.68
Step by Step Solution
- Step 1: Write the proportion equation
11,216,289.96 : 16,826,545.49 = 7,725,580.65 : x - Step 2: Convert to fraction form
11,216,289.96/16,826,545.49 = 7,725,580.65/x - Step 3: Cross multiply
11,216,289.96x = 16,826,545.49 × 7,725,580.65 - Step 4: Simplify right side
11,216,289.96x = 129,994,834,205,260.86 - Step 5: Solve for x
x = 129,994,834,205,260.86/11,216,289.96 - Step 6: Final answer
x = 11,589,824.68
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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.