Home / 7,900,873.05-11,856,291.48-3,107,939.43

Finding the Fourth Proportional to 7,900,873.05, 11,856,291.48 and 3,107,939.43

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Solution

The fourth proportional to 7,900,873.05, 11,856,291.48 and 3,107,939.43 is: 4,663,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900,873.05 : 11,856,291.48 = 3,107,939.43 : x
  2. Step 2: Convert to fraction form
    7,900,873.05/11,856,291.48 = 3,107,939.43/x
  3. Step 3: Cross multiply
    7,900,873.05x = 11,856,291.48 × 3,107,939.43
  4. Step 4: Simplify right side
    7,900,873.05x = 36,848,635,784,265.06
  5. Step 5: Solve for x
    x = 36,848,635,784,265.06/7,900,873.05
  6. Step 6: Final answer
    x = 4,663,868.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.