Home / 19,202,104.20-28,732,297.47-11,530,421.22

Finding the Fourth Proportional to 19,202,104.20, 28,732,297.47 and 11,530,421.22

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Solution

The fourth proportional to 19,202,104.20, 28,732,297.47 and 11,530,421.22 is: 17,253,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202,104.20 : 28,732,297.47 = 11,530,421.22 : x
  2. Step 2: Convert to fraction form
    19,202,104.20/28,732,297.47 = 11,530,421.22/x
  3. Step 3: Cross multiply
    19,202,104.20x = 28,732,297.47 × 11,530,421.22
  4. Step 4: Simplify right side
    19,202,104.20x = 331,295,492,447,440.31
  5. Step 5: Solve for x
    x = 331,295,492,447,440.31/19,202,104.20
  6. Step 6: Final answer
    x = 17,253,082.73

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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.