Finding the Fourth Proportional to 15,226,156.76, 21,013,425.23 and 8,351,967.42
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Solution
The fourth proportional to 15,226,156.76, 21,013,425.23 and 8,351,967.42 is: 11,526,443.98
Step by Step Solution
- Step 1: Write the proportion equation
15,226,156.76 : 21,013,425.23 = 8,351,967.42 : x - Step 2: Convert to fraction form
15,226,156.76/21,013,425.23 = 8,351,967.42/x - Step 3: Cross multiply
15,226,156.76x = 21,013,425.23 × 8,351,967.42 - Step 4: Simplify right side
15,226,156.76x = 175,503,442,861,806.19 - Step 5: Solve for x
x = 175,503,442,861,806.19/15,226,156.76 - Step 6: Final answer
x = 11,526,443.98
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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.