Finding the Fourth Proportional to 17,802,073.80, 26,691,446.70 and 7,012,873.80
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Solution
The fourth proportional to 17,802,073.80, 26,691,446.70 and 7,012,873.80 is: 10,514,715.83
Step by Step Solution
- Step 1: Write the proportion equation
17,802,073.80 : 26,691,446.70 = 7,012,873.80 : x - Step 2: Convert to fraction form
17,802,073.80/26,691,446.70 = 7,012,873.80/x - Step 3: Cross multiply
17,802,073.80x = 26,691,446.70 × 7,012,873.80 - Step 4: Simplify right side
17,802,073.80x = 187,183,747,246,526.44 - Step 5: Solve for x
x = 187,183,747,246,526.44/17,802,073.80 - Step 6: Final answer
x = 10,514,715.83
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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.