Home / 13,258,976.76-18,297,576.66-7,826,468.76

Finding the Fourth Proportional to 13,258,976.76, 18,297,576.66 and 7,826,468.76

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Solution

The fourth proportional to 13,258,976.76, 18,297,576.66 and 7,826,468.76 is: 10,800,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258,976.76 : 18,297,576.66 = 7,826,468.76 : x
  2. Step 2: Convert to fraction form
    13,258,976.76/18,297,576.66 = 7,826,468.76/x
  3. Step 3: Cross multiply
    13,258,976.76x = 18,297,576.66 × 7,826,468.76
  4. Step 4: Simplify right side
    13,258,976.76x = 143,205,412,113,195.12
  5. Step 5: Solve for x
    x = 143,205,412,113,195.12/13,258,976.76
  6. Step 6: Final answer
    x = 10,800,638.29

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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.