Finding the Fourth Proportional to 13,310,166.38, 18,368,029.69 and 7,198,594.88
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Solution
The fourth proportional to 13,310,166.38, 18,368,029.69 and 7,198,594.88 is: 9,934,060.98
Step by Step Solution
- Step 1: Write the proportion equation
13,310,166.38 : 18,368,029.69 = 7,198,594.88 : x - Step 2: Convert to fraction form
13,310,166.38/18,368,029.69 = 7,198,594.88/x - Step 3: Cross multiply
13,310,166.38x = 18,368,029.69 × 7,198,594.88 - Step 4: Simplify right side
13,310,166.38x = 132,224,004,372,285.34 - Step 5: Solve for x
x = 132,224,004,372,285.34/13,310,166.38 - Step 6: Final answer
x = 9,934,060.98
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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.