Home / 7,493,843.40-11,238,140.70-3,898,415.40

Finding the Fourth Proportional to 7,493,843.40, 11,238,140.70 and 3,898,415.40

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Solution

The fourth proportional to 7,493,843.40, 11,238,140.70 and 3,898,415.40 is: 5,846,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493,843.40 : 11,238,140.70 = 3,898,415.40 : x
  2. Step 2: Convert to fraction form
    7,493,843.40/11,238,140.70 = 3,898,415.40/x
  3. Step 3: Cross multiply
    7,493,843.40x = 11,238,140.70 × 3,898,415.40
  4. Step 4: Simplify right side
    7,493,843.40x = 43,810,940,772,246.77
  5. Step 5: Solve for x
    x = 43,810,940,772,246.77/7,493,843.40
  6. Step 6: Final answer
    x = 5,846,257.85

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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.