Home / 7,951,919.40-11,929,866.30-2,561,077.80

Finding the Fourth Proportional to 7,951,919.40, 11,929,866.30 and 2,561,077.80

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Solution

The fourth proportional to 7,951,919.40, 11,929,866.30 and 2,561,077.80 is: 3,842,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951,919.40 : 11,929,866.30 = 2,561,077.80 : x
  2. Step 2: Convert to fraction form
    7,951,919.40/11,929,866.30 = 2,561,077.80/x
  3. Step 3: Cross multiply
    7,951,919.40x = 11,929,866.30 × 2,561,077.80
  4. Step 4: Simplify right side
    7,951,919.40x = 30,553,315,737,898.14
  5. Step 5: Solve for x
    x = 30,553,315,737,898.14/7,951,919.40
  6. Step 6: Final answer
    x = 3,842,256.72

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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.