Finding the Fourth Proportional to 38,489,785.70, 57,743,295.30 and 12,930,098.00
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Solution
The fourth proportional to 38,489,785.70, 57,743,295.30 and 12,930,098.00 is: 19,398,041.67
Step by Step Solution
- Step 1: Write the proportion equation
38,489,785.70 : 57,743,295.30 = 12,930,098.00 : x - Step 2: Convert to fraction form
38,489,785.70/57,743,295.30 = 12,930,098.00/x - Step 3: Cross multiply
38,489,785.70x = 57,743,295.30 × 12,930,098.00 - Step 4: Simplify right side
38,489,785.70x = 746,626,466,783,222.88 - Step 5: Solve for x
x = 746,626,466,783,222.88/38,489,785.70 - Step 6: Final answer
x = 19,398,041.67
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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.