Home / 21,141,238.11-29,177,328.86-11,851,317.28

Finding the Fourth Proportional to 21,141,238.11, 29,177,328.86 and 11,851,317.28

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Solution

The fourth proportional to 21,141,238.11, 29,177,328.86 and 11,851,317.28 is: 16,356,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141,238.11 : 29,177,328.86 = 11,851,317.28 : x
  2. Step 2: Convert to fraction form
    21,141,238.11/29,177,328.86 = 11,851,317.28/x
  3. Step 3: Cross multiply
    21,141,238.11x = 29,177,328.86 × 11,851,317.28
  4. Step 4: Simplify right side
    21,141,238.11x = 345,789,781,702,760.69
  5. Step 5: Solve for x
    x = 345,789,781,702,760.69/21,141,238.11
  6. Step 6: Final answer
    x = 16,356,174.60

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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.