Home / 12,767,538.44-17,603,266.74-8,176,311.56

Finding the Fourth Proportional to 12,767,538.44, 17,603,266.74 and 8,176,311.56

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Solution

The fourth proportional to 12,767,538.44, 17,603,266.74 and 8,176,311.56 is: 11,273,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767,538.44 : 17,603,266.74 = 8,176,311.56 : x
  2. Step 2: Convert to fraction form
    12,767,538.44/17,603,266.74 = 8,176,311.56/x
  3. Step 3: Cross multiply
    12,767,538.44x = 17,603,266.74 × 8,176,311.56
  4. Step 4: Simplify right side
    12,767,538.44x = 143,929,793,340,025.50
  5. Step 5: Solve for x
    x = 143,929,793,340,025.50/12,767,538.44
  6. Step 6: Final answer
    x = 11,273,104.37

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1.5x scale

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.