Finding the Fourth Proportional to 16,117,838.46, 22,242,408.44 and 8,775,587.39
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Solution
The fourth proportional to 16,117,838.46, 22,242,408.44 and 8,775,587.39 is: 12,110,196.99
Step by Step Solution
- Step 1: Write the proportion equation
16,117,838.46 : 22,242,408.44 = 8,775,587.39 : x - Step 2: Convert to fraction form
16,117,838.46/22,242,408.44 = 8,775,587.39/x - Step 3: Cross multiply
16,117,838.46x = 22,242,408.44 × 8,775,587.39 - Step 4: Simplify right side
16,117,838.46x = 195,190,198,874,203.56 - Step 5: Solve for x
x = 195,190,198,874,203.56/16,117,838.46 - Step 6: Final answer
x = 12,110,196.99
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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.