Home / 21,723,077-29,977,866.06-11,934,155.36

Finding the Fourth Proportional to 21,723,077, 29,977,866.06 and 11,934,155.36

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Solution

The fourth proportional to 21,723,077, 29,977,866.06 and 11,934,155.36 is: 16,469,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723,077 : 29,977,866.06 = 11,934,155.36 : x
  2. Step 2: Convert to fraction form
    21,723,077/29,977,866.06 = 11,934,155.36/x
  3. Step 3: Cross multiply
    21,723,077x = 29,977,866.06 × 11,934,155.36
  4. Step 4: Simplify right side
    21,723,077x = 357,760,510,921,311.06
  5. Step 5: Solve for x
    x = 357,760,510,921,311.06/21,723,077
  6. Step 6: Final answer
    x = 16,469,145.27

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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.