Home / 18,441,001.08-25,424,924.76-15,121,064.88

Finding the Fourth Proportional to 18,441,001.08, 25,424,924.76 and 15,121,064.88

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Solution

The fourth proportional to 18,441,001.08, 25,424,924.76 and 15,121,064.88 is: 20,847,671.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,001.08 : 25,424,924.76 = 15,121,064.88 : x
  2. Step 2: Convert to fraction form
    18,441,001.08/25,424,924.76 = 15,121,064.88/x
  3. Step 3: Cross multiply
    18,441,001.08x = 25,424,924.76 × 15,121,064.88
  4. Step 4: Simplify right side
    18,441,001.08x = 384,451,936,865,078.50
  5. Step 5: Solve for x
    x = 384,451,936,865,078.50/18,441,001.08
  6. Step 6: Final answer
    x = 20,847,671.73

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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.