Finding the Fourth Proportional to 17,720,787.84, 24,467,791.68 and 10,854,648.96
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Solution
The fourth proportional to 17,720,787.84, 24,467,791.68 and 10,854,648.96 is: 14,987,442.54
Step by Step Solution
- Step 1: Write the proportion equation
17,720,787.84 : 24,467,791.68 = 10,854,648.96 : x - Step 2: Convert to fraction form
17,720,787.84/24,467,791.68 = 10,854,648.96/x - Step 3: Cross multiply
17,720,787.84x = 24,467,791.68 × 10,854,648.96 - Step 4: Simplify right side
17,720,787.84x = 265,589,289,512,808.66 - Step 5: Solve for x
x = 265,589,289,512,808.66/17,720,787.84 - Step 6: Final answer
x = 14,987,442.54
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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.