Home / 20,383,717.03-30,575,575.49-7,430,839.11

Finding the Fourth Proportional to 20,383,717.03, 30,575,575.49 and 7,430,839.11

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Solution

The fourth proportional to 20,383,717.03, 30,575,575.49 and 7,430,839.11 is: 11,146,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383,717.03 : 30,575,575.49 = 7,430,839.11 : x
  2. Step 2: Convert to fraction form
    20,383,717.03/30,575,575.49 = 7,430,839.11/x
  3. Step 3: Cross multiply
    20,383,717.03x = 30,575,575.49 × 7,430,839.11
  4. Step 4: Simplify right side
    20,383,717.03x = 227,202,182,161,849.41
  5. Step 5: Solve for x
    x = 227,202,182,161,849.41/20,383,717.03
  6. Step 6: Final answer
    x = 11,146,258.64

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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.