Finding the Fourth Proportional to 12,230,582.06, 18,305,952.37 and 8,991,262.24
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Solution
The fourth proportional to 12,230,582.06, 18,305,952.37 and 8,991,262.24 is: 13,457,545.81
Step by Step Solution
- Step 1: Write the proportion equation
12,230,582.06 : 18,305,952.37 = 8,991,262.24 : x - Step 2: Convert to fraction form
12,230,582.06/18,305,952.37 = 8,991,262.24/x - Step 3: Cross multiply
12,230,582.06x = 18,305,952.37 × 8,991,262.24 - Step 4: Simplify right side
12,230,582.06x = 164,593,618,311,619.53 - Step 5: Solve for x
x = 164,593,618,311,619.53/12,230,582.06 - Step 6: Final answer
x = 13,457,545.81
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1.5x scale
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.