Finding the Fourth Proportional to 22,114,760.74, 30,519,408.99 and 12,325,275.05
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Solution
The fourth proportional to 22,114,760.74, 30,519,408.99 and 12,325,275.05 is: 17,009,458.72
Step by Step Solution
- Step 1: Write the proportion equation
22,114,760.74 : 30,519,408.99 = 12,325,275.05 : x - Step 2: Convert to fraction form
22,114,760.74/30,519,408.99 = 12,325,275.05/x - Step 3: Cross multiply
22,114,760.74x = 30,519,408.99 × 12,325,275.05 - Step 4: Simplify right side
22,114,760.74x = 376,160,110,058,815.44 - Step 5: Solve for x
x = 376,160,110,058,815.44/22,114,760.74 - Step 6: Final answer
x = 17,009,458.72
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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.