Finding the Fourth Proportional to 19,940,141.12, 29,910,211.92 and 4,794,072.68
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Solution
The fourth proportional to 19,940,141.12, 29,910,211.92 and 4,794,072.68 is: 7,191,109.08
Step by Step Solution
- Step 1: Write the proportion equation
19,940,141.12 : 29,910,211.92 = 4,794,072.68 : x - Step 2: Convert to fraction form
19,940,141.12/29,910,211.92 = 4,794,072.68/x - Step 3: Cross multiply
19,940,141.12x = 29,910,211.92 × 4,794,072.68 - Step 4: Simplify right side
19,940,141.12x = 143,391,729,818,682.34 - Step 5: Solve for x
x = 143,391,729,818,682.34/19,940,141.12 - Step 6: Final answer
x = 7,191,109.08
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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.