Finding the Fourth Proportional to 21,440,898.65, 32,167,351.29 and 8,670,371.42
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Solution
The fourth proportional to 21,440,898.65, 32,167,351.29 and 8,670,371.42 is: 13,007,984.78
Step by Step Solution
- Step 1: Write the proportion equation
21,440,898.65 : 32,167,351.29 = 8,670,371.42 : x - Step 2: Convert to fraction form
21,440,898.65/32,167,351.29 = 8,670,371.42/x - Step 3: Cross multiply
21,440,898.65x = 32,167,351.29 × 8,670,371.42 - Step 4: Simplify right side
21,440,898.65x = 278,902,883,394,848.38 - Step 5: Solve for x
x = 278,902,883,394,848.38/21,440,898.65 - Step 6: Final answer
x = 13,007,984.78
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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.