Finding the Fourth Proportional to 17,964,897.26, 24,765,745.55 and 12,799,290.74
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Solution
The fourth proportional to 17,964,897.26, 24,765,745.55 and 12,799,290.74 is: 17,644,630.69
Step by Step Solution
- Step 1: Write the proportion equation
17,964,897.26 : 24,765,745.55 = 12,799,290.74 : x - Step 2: Convert to fraction form
17,964,897.26/24,765,745.55 = 12,799,290.74/x - Step 3: Cross multiply
17,964,897.26x = 24,765,745.55 × 12,799,290.74 - Step 4: Simplify right side
17,964,897.26x = 316,983,977,499,486.06 - Step 5: Solve for x
x = 316,983,977,499,486.06/17,964,897.26 - Step 6: Final answer
x = 17,644,630.69
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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.