Home / 18,017,766.30-27,028,124.46-5,238,255.36

Finding the Fourth Proportional to 18,017,766.30, 27,028,124.46 and 5,238,255.36

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Solution

The fourth proportional to 18,017,766.30, 27,028,124.46 and 5,238,255.36 is: 7,857,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017,766.30 : 27,028,124.46 = 5,238,255.36 : x
  2. Step 2: Convert to fraction form
    18,017,766.30/27,028,124.46 = 5,238,255.36/x
  3. Step 3: Cross multiply
    18,017,766.30x = 27,028,124.46 × 5,238,255.36
  4. Step 4: Simplify right side
    18,017,766.30x = 141,580,217,823,342.12
  5. Step 5: Solve for x
    x = 141,580,217,823,342.12/18,017,766.30
  6. Step 6: Final answer
    x = 7,857,811.87

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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.