Home / 18,451,289.58-27,679,575.75-5,672,867.22

Finding the Fourth Proportional to 18,451,289.58, 27,679,575.75 and 5,672,867.22

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Solution

The fourth proportional to 18,451,289.58, 27,679,575.75 and 5,672,867.22 is: 8,510,112.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,289.58 : 27,679,575.75 = 5,672,867.22 : x
  2. Step 2: Convert to fraction form
    18,451,289.58/27,679,575.75 = 5,672,867.22/x
  3. Step 3: Cross multiply
    18,451,289.58x = 27,679,575.75 × 5,672,867.22
  4. Step 4: Simplify right side
    18,451,289.58x = 157,022,557,935,681.91
  5. Step 5: Solve for x
    x = 157,022,557,935,681.91/18,451,289.58
  6. Step 6: Final answer
    x = 8,510,112.92

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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.