Finding the Fourth Proportional to 13,375,974.84, 18,458,953.75 and 7,264,447.08
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Solution
The fourth proportional to 13,375,974.84, 18,458,953.75 and 7,264,447.08 is: 10,024,995.88
Step by Step Solution
- Step 1: Write the proportion equation
13,375,974.84 : 18,458,953.75 = 7,264,447.08 : x - Step 2: Convert to fraction form
13,375,974.84/18,458,953.75 = 7,264,447.08/x - Step 3: Cross multiply
13,375,974.84x = 18,458,953.75 × 7,264,447.08 - Step 4: Simplify right side
13,375,974.84x = 134,094,092,669,042.55 - Step 5: Solve for x
x = 134,094,092,669,042.55/13,375,974.84 - Step 6: Final answer
x = 10,024,995.88
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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.