Finding the Fourth Proportional to 21,101,592.35, 29,119,572.01 and 11,682,803.11
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Solution
The fourth proportional to 21,101,592.35, 29,119,572.01 and 11,682,803.11 is: 16,121,922.02
Step by Step Solution
- Step 1: Write the proportion equation
21,101,592.35 : 29,119,572.01 = 11,682,803.11 : x - Step 2: Convert to fraction form
21,101,592.35/29,119,572.01 = 11,682,803.11/x - Step 3: Cross multiply
21,101,592.35x = 29,119,572.01 × 11,682,803.11 - Step 4: Simplify right side
21,101,592.35x = 340,198,226,338,291 - Step 5: Solve for x
x = 340,198,226,338,291/21,101,592.35 - Step 6: Final answer
x = 16,121,922.02
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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.