Finding the Fourth Proportional to 20,243,262.14, 27,935,006.94 and 11,544,234.53
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Solution
The fourth proportional to 20,243,262.14, 27,935,006.94 and 11,544,234.53 is: 15,930,647.42
Step by Step Solution
- Step 1: Write the proportion equation
20,243,262.14 : 27,935,006.94 = 11,544,234.53 : x - Step 2: Convert to fraction form
20,243,262.14/27,935,006.94 = 11,544,234.53/x - Step 3: Cross multiply
20,243,262.14x = 27,935,006.94 × 11,544,234.53 - Step 4: Simplify right side
20,243,262.14x = 322,488,271,712,537.62 - Step 5: Solve for x
x = 322,488,271,712,537.62/20,243,262.14 - Step 6: Final answer
x = 15,930,647.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.