Home / 20,483,072.12-30,717,493.14-11,399,032.28

Finding the Fourth Proportional to 20,483,072.12, 30,717,493.14 and 11,399,032.28

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Solution

The fourth proportional to 20,483,072.12, 30,717,493.14 and 11,399,032.28 is: 17,094,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483,072.12 : 30,717,493.14 = 11,399,032.28 : x
  2. Step 2: Convert to fraction form
    20,483,072.12/30,717,493.14 = 11,399,032.28/x
  3. Step 3: Cross multiply
    20,483,072.12x = 30,717,493.14 × 11,399,032.28
  4. Step 4: Simplify right side
    20,483,072.12x = 350,149,695,863,538.56
  5. Step 5: Solve for x
    x = 350,149,695,863,538.56/20,483,072.12
  6. Step 6: Final answer
    x = 17,094,588.83

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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.