Home / 13,383,577.04-18,469,448.76-7,272,005.36

Finding the Fourth Proportional to 13,383,577.04, 18,469,448.76 and 7,272,005.36

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Solution

The fourth proportional to 13,383,577.04, 18,469,448.76 and 7,272,005.36 is: 10,035,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383,577.04 : 18,469,448.76 = 7,272,005.36 : x
  2. Step 2: Convert to fraction form
    13,383,577.04/18,469,448.76 = 7,272,005.36/x
  3. Step 3: Cross multiply
    13,383,577.04x = 18,469,448.76 × 7,272,005.36
  4. Step 4: Simplify right side
    13,383,577.04x = 134,309,930,378,965.38
  5. Step 5: Solve for x
    x = 134,309,930,378,965.38/13,383,577.04
  6. Step 6: Final answer
    x = 10,035,428.49

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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.