Home / 13,106,067.59-18,086,457.21-7,305,217.13

Finding the Fourth Proportional to 13,106,067.59, 18,086,457.21 and 7,305,217.13

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Solution

The fourth proportional to 13,106,067.59, 18,086,457.21 and 7,305,217.13 is: 10,081,246.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,067.59 : 18,086,457.21 = 7,305,217.13 : x
  2. Step 2: Convert to fraction form
    13,106,067.59/18,086,457.21 = 7,305,217.13/x
  3. Step 3: Cross multiply
    13,106,067.59x = 18,086,457.21 × 7,305,217.13
  4. Step 4: Simplify right side
    13,106,067.59x = 132,125,497,031,504.02
  5. Step 5: Solve for x
    x = 132,125,497,031,504.02/13,106,067.59
  6. Step 6: Final answer
    x = 10,081,246.42

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1.5x scale

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.