Finding the Fourth Proportional to 11,072,405.70, 16,608,608.55 and 8,202,624.30
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Solution
The fourth proportional to 11,072,405.70, 16,608,608.55 and 8,202,624.30 is: 12,303,936.45
Step by Step Solution
- Step 1: Write the proportion equation
11,072,405.70 : 16,608,608.55 = 8,202,624.30 : x - Step 2: Convert to fraction form
11,072,405.70/16,608,608.55 = 8,202,624.30/x - Step 3: Cross multiply
11,072,405.70x = 16,608,608.55 × 8,202,624.30 - Step 4: Simplify right side
11,072,405.70x = 136,234,176,081,417.77 - Step 5: Solve for x
x = 136,234,176,081,417.77/11,072,405.70 - Step 6: Final answer
x = 12,303,936.45
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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.