Home / 18,440,760.58-25,424,592.15-15,120,823.30

Finding the Fourth Proportional to 18,440,760.58, 25,424,592.15 and 15,120,823.30

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Solution

The fourth proportional to 18,440,760.58, 25,424,592.15 and 15,120,823.30 is: 20,847,337.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,760.58 : 25,424,592.15 = 15,120,823.30 : x
  2. Step 2: Convert to fraction form
    18,440,760.58/25,424,592.15 = 15,120,823.30/x
  3. Step 3: Cross multiply
    18,440,760.58x = 25,424,592.15 × 15,120,823.30
  4. Step 4: Simplify right side
    18,440,760.58x = 384,440,765,367,858.69
  5. Step 5: Solve for x
    x = 384,440,765,367,858.69/18,440,760.58
  6. Step 6: Final answer
    x = 20,847,337.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.