Finding the Fourth Proportional to 21,376,650.48, 29,498,987.35 and 11,586,884.48
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Solution
The fourth proportional to 21,376,650.48, 29,498,987.35 and 11,586,884.48 is: 15,989,472.20
Step by Step Solution
- Step 1: Write the proportion equation
21,376,650.48 : 29,498,987.35 = 11,586,884.48 : x - Step 2: Convert to fraction form
21,376,650.48/29,498,987.35 = 11,586,884.48/x - Step 3: Cross multiply
21,376,650.48x = 29,498,987.35 × 11,586,884.48 - Step 4: Simplify right side
21,376,650.48x = 341,801,358,553,936.38 - Step 5: Solve for x
x = 341,801,358,553,936.38/21,376,650.48 - Step 6: Final answer
x = 15,989,472.20
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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.