Finding the Fourth Proportional to 11,352,162.67, 15,660,535.84 and 7,430,192.10
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Solution
The fourth proportional to 11,352,162.67, 15,660,535.84 and 7,430,192.10 is: 10,250,098.86
Step by Step Solution
- Step 1: Write the proportion equation
11,352,162.67 : 15,660,535.84 = 7,430,192.10 : x - Step 2: Convert to fraction form
11,352,162.67/15,660,535.84 = 7,430,192.10/x - Step 3: Cross multiply
11,352,162.67x = 15,660,535.84 × 7,430,192.10 - Step 4: Simplify right side
11,352,162.67x = 116,360,789,661,559.38 - Step 5: Solve for x
x = 116,360,789,661,559.38/11,352,162.67 - Step 6: Final answer
x = 10,250,098.86
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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.