Home / 18,135,297.48-27,213,575.04-13,012,206.24

Finding the Fourth Proportional to 18,135,297.48, 27,213,575.04 and 13,012,206.24

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Solution

The fourth proportional to 18,135,297.48, 27,213,575.04 and 13,012,206.24 is: 19,525,935.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135,297.48 : 27,213,575.04 = 13,012,206.24 : x
  2. Step 2: Convert to fraction form
    18,135,297.48/27,213,575.04 = 13,012,206.24/x
  3. Step 3: Cross multiply
    18,135,297.48x = 27,213,575.04 × 13,012,206.24
  4. Step 4: Simplify right side
    18,135,297.48x = 354,108,650,948,196.25
  5. Step 5: Solve for x
    x = 354,108,650,948,196.25/18,135,297.48
  6. Step 6: Final answer
    x = 19,525,935.61

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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.