Finding the Fourth Proportional to 26,939,874.22, 37,176,466.26 and 15,179,748.28
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Solution
The fourth proportional to 26,939,874.22, 37,176,466.26 and 15,179,748.28 is: 20,947,736.99
Step by Step Solution
- Step 1: Write the proportion equation
26,939,874.22 : 37,176,466.26 = 15,179,748.28 : x - Step 2: Convert to fraction form
26,939,874.22/37,176,466.26 = 15,179,748.28/x - Step 3: Cross multiply
26,939,874.22x = 37,176,466.26 × 15,179,748.28 - Step 4: Simplify right side
26,939,874.22x = 564,329,399,766,713 - Step 5: Solve for x
x = 564,329,399,766,713/26,939,874.22 - Step 6: Final answer
x = 20,947,736.99
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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.