Finding the Fourth Proportional to 16,301,211.20, 22,496,177.54 and 8,958,910.76
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Solution
The fourth proportional to 16,301,211.20, 22,496,177.54 and 8,958,910.76 is: 12,363,574.99
Step by Step Solution
- Step 1: Write the proportion equation
16,301,211.20 : 22,496,177.54 = 8,958,910.76 : x - Step 2: Convert to fraction form
16,301,211.20/22,496,177.54 = 8,958,910.76/x - Step 3: Cross multiply
16,301,211.20x = 22,496,177.54 × 8,958,910.76 - Step 4: Simplify right side
16,301,211.20x = 201,541,247,021,976.31 - Step 5: Solve for x
x = 201,541,247,021,976.31/16,301,211.20 - Step 6: Final answer
x = 12,363,574.99
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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.