Finding the Fourth Proportional to 8,470,198.38, 11,688,864.90 and 4,602,710.34
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Solution
The fourth proportional to 8,470,198.38, 11,688,864.90 and 4,602,710.34 is: 6,351,735.45
Step by Step Solution
- Step 1: Write the proportion equation
8,470,198.38 : 11,688,864.90 = 4,602,710.34 : x - Step 2: Convert to fraction form
8,470,198.38/11,688,864.90 = 4,602,710.34/x - Step 3: Cross multiply
8,470,198.38x = 11,688,864.90 × 4,602,710.34 - Step 4: Simplify right side
8,470,198.38x = 53,800,459,338,093.06 - Step 5: Solve for x
x = 53,800,459,338,093.06/8,470,198.38 - Step 6: Final answer
x = 6,351,735.45
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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.