Finding the Fourth Proportional to 16,282,850.70, 22,470,334.08 and 8,940,683.88
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Solution
The fourth proportional to 16,282,850.70, 22,470,334.08 and 8,940,683.88 is: 12,338,143.82
Step by Step Solution
- Step 1: Write the proportion equation
16,282,850.70 : 22,470,334.08 = 8,940,683.88 : x - Step 2: Convert to fraction form
16,282,850.70/22,470,334.08 = 8,940,683.88/x - Step 3: Cross multiply
16,282,850.70x = 22,470,334.08 × 8,940,683.88 - Step 4: Simplify right side
16,282,850.70x = 200,900,153,687,270.62 - Step 5: Solve for x
x = 200,900,153,687,270.62/16,282,850.70 - Step 6: Final answer
x = 12,338,143.82
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1.5x scale
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.