Home / 18,119,209.10-27,175,305.29-7,040,261.03

Finding the Fourth Proportional to 18,119,209.10, 27,175,305.29 and 7,040,261.03

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Solution

The fourth proportional to 18,119,209.10, 27,175,305.29 and 7,040,261.03 is: 10,559,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119,209.10 : 27,175,305.29 = 7,040,261.03 : x
  2. Step 2: Convert to fraction form
    18,119,209.10/27,175,305.29 = 7,040,261.03/x
  3. Step 3: Cross multiply
    18,119,209.10x = 27,175,305.29 × 7,040,261.03
  4. Step 4: Simplify right side
    18,119,209.10x = 191,321,242,693,264
  5. Step 5: Solve for x
    x = 191,321,242,693,264/18,119,209.10
  6. Step 6: Final answer
    x = 10,559,028.36

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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.