Home / 14,212,896.33-21,319,348.13-3,979,263.78

Finding the Fourth Proportional to 14,212,896.33, 21,319,348.13 and 3,979,263.78

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Solution

The fourth proportional to 14,212,896.33, 21,319,348.13 and 3,979,263.78 is: 5,968,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212,896.33 : 21,319,348.13 = 3,979,263.78 : x
  2. Step 2: Convert to fraction form
    14,212,896.33/21,319,348.13 = 3,979,263.78/x
  3. Step 3: Cross multiply
    14,212,896.33x = 21,319,348.13 × 3,979,263.78
  4. Step 4: Simplify right side
    14,212,896.33x = 84,835,309,826,919.72
  5. Step 5: Solve for x
    x = 84,835,309,826,919.72/14,212,896.33
  6. Step 6: Final answer
    x = 5,968,896.69

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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.