Finding the Fourth Proportional to 10,142,747.07, 15,213,958.11 and 3,226,126.01
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Solution
The fourth proportional to 10,142,747.07, 15,213,958.11 and 3,226,126.01 is: 4,839,137.32
Step by Step Solution
- Step 1: Write the proportion equation
10,142,747.07 : 15,213,958.11 = 3,226,126.01 : x - Step 2: Convert to fraction form
10,142,747.07/15,213,958.11 = 3,226,126.01/x - Step 3: Cross multiply
10,142,747.07x = 15,213,958.11 × 3,226,126.01 - Step 4: Simplify right side
10,142,747.07x = 49,082,145,897,651.65 - Step 5: Solve for x
x = 49,082,145,897,651.65/10,142,747.07 - Step 6: Final answer
x = 4,839,137.32
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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.