Home / 26,647,037-39,974,368.36-8,204,542.40

Finding the Fourth Proportional to 26,647,037, 39,974,368.36 and 8,204,542.40

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Solution

The fourth proportional to 26,647,037, 39,974,368.36 and 8,204,542.40 is: 12,307,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,647,037 : 39,974,368.36 = 8,204,542.40 : x
  2. Step 2: Convert to fraction form
    26,647,037/39,974,368.36 = 8,204,542.40/x
  3. Step 3: Cross multiply
    26,647,037x = 39,974,368.36 × 8,204,542.40
  4. Step 4: Simplify right side
    26,647,037x = 327,971,400,122,838.50
  5. Step 5: Solve for x
    x = 327,971,400,122,838.50/26,647,037
  6. Step 6: Final answer
    x = 12,307,987.57

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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.