Finding the Fourth Proportional to 19,372,354.88, 29,059,860.92 and 6,418,480.50
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Solution
The fourth proportional to 19,372,354.88, 29,059,860.92 and 6,418,480.50 is: 9,628,160.94
Step by Step Solution
- Step 1: Write the proportion equation
19,372,354.88 : 29,059,860.92 = 6,418,480.50 : x - Step 2: Convert to fraction form
19,372,354.88/29,059,860.92 = 6,418,480.50/x - Step 3: Cross multiply
19,372,354.88x = 29,059,860.92 × 6,418,480.50 - Step 4: Simplify right side
19,372,354.88x = 186,520,150,615,639.66 - Step 5: Solve for x
x = 186,520,150,615,639.66/19,372,354.88 - Step 6: Final answer
x = 9,628,160.94
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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.