Finding the Fourth Proportional to 15,226,071.69, 21,013,307.68 and 8,351,882.36
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Solution
The fourth proportional to 15,226,071.69, 21,013,307.68 and 8,351,882.36 is: 11,526,326.50
Step by Step Solution
- Step 1: Write the proportion equation
15,226,071.69 : 21,013,307.68 = 8,351,882.36 : x - Step 2: Convert to fraction form
15,226,071.69/21,013,307.68 = 8,351,882.36/x - Step 3: Cross multiply
15,226,071.69x = 21,013,307.68 × 8,351,882.36 - Step 4: Simplify right side
15,226,071.69x = 175,500,673,682,872.44 - Step 5: Solve for x
x = 175,500,673,682,872.44/15,226,071.69 - Step 6: Final answer
x = 11,526,326.50
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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.