Finding the Fourth Proportional to 8,391,013.08, 12,571,278.66 and 3,845,843.88
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Solution
The fourth proportional to 8,391,013.08, 12,571,278.66 and 3,845,843.88 is: 5,761,780.45
Step by Step Solution
- Step 1: Write the proportion equation
8,391,013.08 : 12,571,278.66 = 3,845,843.88 : x - Step 2: Convert to fraction form
8,391,013.08/12,571,278.66 = 3,845,843.88/x - Step 3: Cross multiply
8,391,013.08x = 12,571,278.66 × 3,845,843.88 - Step 4: Simplify right side
8,391,013.08x = 48,347,175,098,335.60 - Step 5: Solve for x
x = 48,347,175,098,335.60/8,391,013.08 - Step 6: Final answer
x = 5,761,780.45
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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.