Home / 20,582,071.40-28,404,551.70-11,414,714.24

Finding the Fourth Proportional to 20,582,071.40, 28,404,551.70 and 11,414,714.24

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Solution

The fourth proportional to 20,582,071.40, 28,404,551.70 and 11,414,714.24 is: 15,753,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582,071.40 : 28,404,551.70 = 11,414,714.24 : x
  2. Step 2: Convert to fraction form
    20,582,071.40/28,404,551.70 = 11,414,714.24/x
  3. Step 3: Cross multiply
    20,582,071.40x = 28,404,551.70 × 11,414,714.24
  4. Step 4: Simplify right side
    20,582,071.40x = 324,229,840,770,806.19
  5. Step 5: Solve for x
    x = 324,229,840,770,806.19/20,582,071.40
  6. Step 6: Final answer
    x = 15,753,022.84

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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.