Home / 13,106,067.71-18,086,457.33-7,305,217.20

Finding the Fourth Proportional to 13,106,067.71, 18,086,457.33 and 7,305,217.20

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Solution

The fourth proportional to 13,106,067.71, 18,086,457.33 and 7,305,217.20 is: 10,081,246.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,067.71 : 18,086,457.33 = 7,305,217.20 : x
  2. Step 2: Convert to fraction form
    13,106,067.71/18,086,457.33 = 7,305,217.20/x
  3. Step 3: Cross multiply
    13,106,067.71x = 18,086,457.33 × 7,305,217.20
  4. Step 4: Simplify right side
    13,106,067.71x = 132,125,499,174,182.06
  5. Step 5: Solve for x
    x = 132,125,499,174,182.06/13,106,067.71
  6. Step 6: Final answer
    x = 10,081,246.50

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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.