Finding the Fourth Proportional to 35,770,135.93, 49,373,492.16 and 20,889,473.94
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Solution
The fourth proportional to 35,770,135.93, 49,373,492.16 and 20,889,473.94 is: 28,833,725.42
Step by Step Solution
- Step 1: Write the proportion equation
35,770,135.93 : 49,373,492.16 = 20,889,473.94 : x - Step 2: Convert to fraction form
35,770,135.93/49,373,492.16 = 20,889,473.94/x - Step 3: Cross multiply
35,770,135.93x = 49,373,492.16 × 20,889,473.94 - Step 4: Simplify right side
35,770,135.93x = 1,031,386,277,803,114.25 - Step 5: Solve for x
x = 1,031,386,277,803,114.25/35,770,135.93 - Step 6: Final answer
x = 28,833,725.42
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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.