Home / 13,631,308.12-18,810,902.46-7,519,735

Finding the Fourth Proportional to 13,631,308.12, 18,810,902.46 and 7,519,735

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Solution

The fourth proportional to 13,631,308.12, 18,810,902.46 and 7,519,735 is: 10,377,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,308.12 : 18,810,902.46 = 7,519,735 : x
  2. Step 2: Convert to fraction form
    13,631,308.12/18,810,902.46 = 7,519,735/x
  3. Step 3: Cross multiply
    13,631,308.12x = 18,810,902.46 × 7,519,735
  4. Step 4: Simplify right side
    13,631,308.12x = 141,453,001,610,048.09
  5. Step 5: Solve for x
    x = 141,453,001,610,048.09/13,631,308.12
  6. Step 6: Final answer
    x = 10,377,067.29

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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.