Finding the Fourth Proportional to 38,679,013.26, 57,998,553.84 and 11,381,758.38
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Solution
The fourth proportional to 38,679,013.26, 57,998,553.84 and 11,381,758.38 is: 17,066,762.32
Step by Step Solution
- Step 1: Write the proportion equation
38,679,013.26 : 57,998,553.84 = 11,381,758.38 : x - Step 2: Convert to fraction form
38,679,013.26/57,998,553.84 = 11,381,758.38/x - Step 3: Cross multiply
38,679,013.26x = 57,998,553.84 × 11,381,758.38 - Step 4: Simplify right side
38,679,013.26x = 660,125,526,196,301.25 - Step 5: Solve for x
x = 660,125,526,196,301.25/38,679,013.26 - Step 6: Final answer
x = 17,066,762.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.