Finding the Fourth Proportional to 7,672,036.34, 11,508,141.98 and 2,623,740.50
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Solution
The fourth proportional to 7,672,036.34, 11,508,141.98 and 2,623,740.50 is: 3,935,640.66
Step by Step Solution
- Step 1: Write the proportion equation
7,672,036.34 : 11,508,141.98 = 2,623,740.50 : x - Step 2: Convert to fraction form
7,672,036.34/11,508,141.98 = 2,623,740.50/x - Step 3: Cross multiply
7,672,036.34x = 11,508,141.98 × 2,623,740.50 - Step 4: Simplify right side
7,672,036.34x = 30,194,378,192,676.19 - Step 5: Solve for x
x = 30,194,378,192,676.19/7,672,036.34 - Step 6: Final answer
x = 3,935,640.66
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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.