Finding the Fourth Proportional to 18,596,451.24, 27,894,955.14 and 7,082,554.39
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Solution
The fourth proportional to 18,596,451.24, 27,894,955.14 and 7,082,554.39 is: 10,623,937.57
Step by Step Solution
- Step 1: Write the proportion equation
18,596,451.24 : 27,894,955.14 = 7,082,554.39 : x - Step 2: Convert to fraction form
18,596,451.24/27,894,955.14 = 7,082,554.39/x - Step 3: Cross multiply
18,596,451.24x = 27,894,955.14 × 7,082,554.39 - Step 4: Simplify right side
18,596,451.24x = 197,567,536,985,660.06 - Step 5: Solve for x
x = 197,567,536,985,660.06/18,596,451.24 - Step 6: Final answer
x = 10,623,937.57
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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.