Finding the Fourth Proportional to 13,912,231.14, 19,201,181.44 and 7,719,273
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Solution
The fourth proportional to 13,912,231.14, 19,201,181.44 and 7,719,273 is: 10,653,874.28
Step by Step Solution
- Step 1: Write the proportion equation
13,912,231.14 : 19,201,181.44 = 7,719,273 : x - Step 2: Convert to fraction form
13,912,231.14/19,201,181.44 = 7,719,273/x - Step 3: Cross multiply
13,912,231.14x = 19,201,181.44 × 7,719,273 - Step 4: Simplify right side
13,912,231.14x = 148,219,161,457,893.12 - Step 5: Solve for x
x = 148,219,161,457,893.12/13,912,231.14 - Step 6: Final answer
x = 10,653,874.28
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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.