Home / 18,103,628.20-27,120,012.90-10,893,745.30

Finding the Fourth Proportional to 18,103,628.20, 27,120,012.90 and 10,893,745.30

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Solution

The fourth proportional to 18,103,628.20, 27,120,012.90 and 10,893,745.30 is: 16,319,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103,628.20 : 27,120,012.90 = 10,893,745.30 : x
  2. Step 2: Convert to fraction form
    18,103,628.20/27,120,012.90 = 10,893,745.30/x
  3. Step 3: Cross multiply
    18,103,628.20x = 27,120,012.90 × 10,893,745.30
  4. Step 4: Simplify right side
    18,103,628.20x = 295,438,513,065,314.38
  5. Step 5: Solve for x
    x = 295,438,513,065,314.38/18,103,628.20
  6. Step 6: Final answer
    x = 16,319,298.53

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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.