Finding the Fourth Proportional to 38,350,166.38, 57,533,328.65 and 12,440,444.62
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Solution
The fourth proportional to 38,350,166.38, 57,533,328.65 and 12,440,444.62 is: 18,663,287.71
Step by Step Solution
- Step 1: Write the proportion equation
38,350,166.38 : 57,533,328.65 = 12,440,444.62 : x - Step 2: Convert to fraction form
38,350,166.38/57,533,328.65 = 12,440,444.62/x - Step 3: Cross multiply
38,350,166.38x = 57,533,328.65 × 12,440,444.62 - Step 4: Simplify right side
38,350,166.38x = 715,740,188,874,584.25 - Step 5: Solve for x
x = 715,740,188,874,584.25/38,350,166.38 - Step 6: Final answer
x = 18,663,287.71
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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.