Finding the Fourth Proportional to 13,609,982.70, 20,391,354.45 and 11,484,218.70
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Solution
The fourth proportional to 13,609,982.70, 20,391,354.45 and 11,484,218.70 is: 17,206,397.63
Step by Step Solution
- Step 1: Write the proportion equation
13,609,982.70 : 20,391,354.45 = 11,484,218.70 : x - Step 2: Convert to fraction form
13,609,982.70/20,391,354.45 = 11,484,218.70/x - Step 3: Cross multiply
13,609,982.70x = 20,391,354.45 × 11,484,218.70 - Step 4: Simplify right side
13,609,982.70x = 234,178,774,093,018.19 - Step 5: Solve for x
x = 234,178,774,093,018.19/13,609,982.70 - Step 6: Final answer
x = 17,206,397.63
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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.