Home / 18,148,759-27,225,843.92-6,476,221.24

Finding the Fourth Proportional to 18,148,759, 27,225,843.92 and 6,476,221.24

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Solution

The fourth proportional to 18,148,759, 27,225,843.92 and 6,476,221.24 is: 9,715,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,759 : 27,225,843.92 = 6,476,221.24 : x
  2. Step 2: Convert to fraction form
    18,148,759/27,225,843.92 = 6,476,221.24/x
  3. Step 3: Cross multiply
    18,148,759x = 27,225,843.92 × 6,476,221.24
  4. Step 4: Simplify right side
    18,148,759x = 176,320,588,671,628.88
  5. Step 5: Solve for x
    x = 176,320,588,671,628.88/18,148,759
  6. Step 6: Final answer
    x = 9,715,297.26

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1.5x scale

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.