Finding the Fourth Proportional to 21,704,721.30, 32,561,747.55 and 6,560,183.70
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Solution
The fourth proportional to 21,704,721.30, 32,561,747.55 and 6,560,183.70 is: 9,841,685.71
Step by Step Solution
- Step 1: Write the proportion equation
21,704,721.30 : 32,561,747.55 = 6,560,183.70 : x - Step 2: Convert to fraction form
21,704,721.30/32,561,747.55 = 6,560,183.70/x - Step 3: Cross multiply
21,704,721.30x = 32,561,747.55 × 6,560,183.70 - Step 4: Simplify right side
21,704,721.30x = 213,611,045,521,024.94 - Step 5: Solve for x
x = 213,611,045,521,024.94/21,704,721.30 - Step 6: Final answer
x = 9,841,685.71
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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.